Astronomy and Planetary Science Thread

Michel Van said:

Is the Sun made from liquid metal hydrogen ?
This theory by Pierre-Marie Robitaille, try to solve some problem with Sun physic and Fusion Theories.
Under pressure of Sun Mass, the Hydrogen & Helium is so compress, it turn in liquid metal form.
According Robitaille in this state Hydrogen fusion easier, as under Plasma in current theories.

However Robitaille theory base on pile of assumptions, if one is false, rest is faulty.

View: https://www.youtube.com/watch?v=Jay_R36biQg

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Scientists are refining plans to build the world’s biggest machine at a site beneath the Swiss-French border. More than $30bn (£23bn) would be spent drilling a 91km circular tunnel in which subatomic particles would be accelerated to near light speeds and smashed into each other. From the resulting nuclear debris, scientists hope they will then find clues that would help them understand the detailed makeup of the universe.

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It is an extraordinarily ambitious project. However, it is also a controversial one – for many scientists fear the machine, the Future Circular Collider (FCC), could soak up funding for subatomic physics for decades and leave promising new research avenues starved of resources.

Others argue that the mega-collider is being imposed on physicists by senior officials at Cern, the European Organization for Nuclear Research, without properly consulting researchers.

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However, the technology to accelerate protons at the unsurpassed energies proposed for the FCC does not exist yet. It is merely assumed that, in 40 years’ time, it will have been developed. Such an assumption worries some scientists, as well as the fact that the FCC will cost so much that it will lock scientists into a device that would monopolise funds for particle physics for decades.

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‘The physics community has never split like this’: row erupts over plans for new Large Hadron Collider

Ambitious project could soak up funding for subatomic physics for decades, say opponents

www.theguardian.com

Michel Van said:

Is the Sun made from liquid metal hydrogen ?
This theory by Pierre-Marie Robitaille, try to solve some problem with Sun physic and Fusion Theories.
Under pressure of Sun Mass, the Hydrogen & Helium is so compress, it turn in liquid metal form.
According Robitaille in this state Hydrogen fusion easier, as under Plasma in current theories.

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NMaude said:

I'd say that the Sun's interior is far too hot for liquid metallic hydrogen to be present

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Hello and welcome! My name is Anton and in this video, we will talk about gravity and quantum physics and basically a study that tries to connect both
Links:
https://arxiv.org/abs/2502.17575
https://arxiv.org/abs/gr-qc/9504004https://www.youtube.com/redirect?ev...s://arxiv.org/abs/gr-qc/9504004&v=7YuzRpE6erY
#quantummechanics #astronomy #cosmology

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0:00 Study that tries to explain gravity with quantum effects
0:45 What's the problem?
2:30 Particle physics and quantum mechanics explanations
4:00 Why this is important
5:45 Recent study and the quantum approach using entropy
6:50 Analogy explaining this idea
10:55 Can this be tested?
12:25 Conclusions

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Asteroid 2024 YR may not hit Earth in 2032, but it — and others — will keep coming back​

Asteroid 2024 YR may not hit Earth in 2032, but it — and others — will keep coming back

Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but asteroids can pass by the Earth undetected.

theconversation.com

Flyaway said:

Asteroid 2024 YR may not hit Earth in 2032, but it — and others — will keep coming back​

Asteroid 2024 YR may not hit Earth in 2032, but it — and others — will keep coming back

Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but asteroids can pass by the Earth undetected.

theconversation.com

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NMaude said:

Here's a video about weird experiments that can only be performed in space, from Astrum:

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Swirling through the Milky Way’s central zone, surrounding the supermassive black hole Sgr A*, dust and gases constantly churn as energetic shock waves ripple. An international scientific team using the Atacama Large Millimeter/submillimeter Array (ALMA) has sharpened our view of this action by a factor of 100, discovering a surprising new filamentary structure in this mysterious region of space.

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ALMA Discovers “Space Tornadoes” Around the Milky Way’s Core | ALMA Observatory

Swirling through the Milky Way’s central zone, surrounding the supermassive black hole Sgr A*, dust and gases constantly churn as energetic shock waves ripple. An international scientific team using the Atacama Large Millimeter/submillimeter Array (ALMA) has sharpened our view of this action by...

www.almaobservatory.org

ALMA observations of massive clouds in the central molecular zone: slim filaments tracing parsec-scale shocks | Astronomy & Astrophysics (A&A)

Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics

www.aanda.org

Beyond Neptune lies the vast and mysterious Kuiper Belt region, home to ancient icy relics that contain clues about how our solar system came to be.

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Hello and welcome! My name is Anton and in this video, we will talk about the funniest paper retraction in the last decade
Links:
https://pubmed.ncbi.nlm.nih.gov/18380...https://www.youtube.com/redirect?ev...bmed.ncbi.nlm.nih.gov/18380130/&v=4581nXI3rxs
https://www.researchgate.net/publicat...https://www.youtube.com/redirect?ev...itchhiking_Women%27s_Hair_Color&v=4581nXI3rxs
https://pubmed.ncbi.nlm.nih.gov/17566...https://www.youtube.com/redirect?ev...bmed.ncbi.nlm.nih.gov/17566448/&v=4581nXI3rxs
https://psycnet.apa.org/record/2008-0...https://www.youtube.com/redirect?ev...t.apa.org/record/2008-05620-006&v=4581nXI3rxs
https://psycnet.apa.org/record/2002-0...https://www.youtube.com/redirect?ev...t.apa.org/record/2002-08352-003&v=4581nXI3rxs
https://steamtraen.blogspot.com/https://www.youtube.com/redirect?ev...ttps://steamtraen.blogspot.com/&v=4581nXI3rxs
https://steamtraen.blogspot.com/2017/...https://www.youtube.com/redirect?ev...s-in-field-study-of-sexual.html&v=4581nXI3rxs
https://retractionwatch.com/2023/03/2...https://www.youtube.com/redirect?ev...ns-five-expressions-of-concern/&v=4581nXI3rxs

Other videos:
https://www.youtube.com/watch?v=K8NqUJaWC0c
• First Results and Experiments Testing...

• April Fools' Astronomy Papers of 2024... https://www.youtube.com/watch?v=4t1MWwT_0BQ

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0:00 Study retraction! Bust sizes and hitchhiking...but why?!
2:35 Followups
3:30 Investigation and the retraction
5:35 Bizarre methods
6:25 Things don't add up
7:20 First retraction
8:10 Major issues and conclusions

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Hello and welcome! My name is Anton and in this video, we will talk about generating energy from the Earth's magnetic field
Links:
https://journals.aps.org/prresearch/a...
https://journals.aps.org/prapplied/ab...https://www.youtube.com/redirect?ev...10.1103/PhysRevApplied.6.014017&v=6xytC6u2QoM
Other videos:
https://www.youtube.com/watch?v=MsPHlwlW8vA
• We Could Produce Free Energy From Mol...

• This Is Not a Crane, It's an Insane N...

• Interesting Invention That Turns Your...

• We Found a Way to Generate Energy Fro...

• Looks Like EM Drive Is Officially Dea... https://www.youtube.com/watch?v=ZKDeIu13sSI&pp=0gcJCR0AztywvtLA

#energy #magneticfield #earthhttps://www.youtube.com/hashtag/earth

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0:00 Strange proposition for electricity generated by the rotation of Earth
1:35 Original paper that disproved this
2:55 What was done now
4:50 What this means
6:00 How much voltage and is this useful?
7:10 Conclusions and what's next?
8:00 EM drive

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The James Webb Space Telescope, JWST, has been surprising us with new results about the early Universe that we can’t yet explain for the past few years now; from the little red dot galaxies, to the over massive galaxies, and finding galaxies with features like spiral arms earlier in the Universe than we ever thought they should exist. And this month was no exception, when a paper was published by Smethurst and collaborators on the Galaxy Zoo and CEERS teams claiming to have found featureless disc shaped galaxies way earlier in the Universe’s history than we ever thought possible. That’s right, we’re talking about my own research in this week’s video, and I’m so excited that it’s finally been published so that we can chat all about it...

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Smethurst et al. (2025) - https://arxiv.org/pdf/2503.21869https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbHotT3RnblVtQWczZDRVd3o5akNOWVlpLVcwUXxBQ3Jtc0tsWkRSSHh5Wm43a3Fvb1hrTjU2ckdkV1BhU3ozZFBRNFZ5VUM3cTR3WG9jWGY3NWlIejd3cEJiaTNsdWxGM2FIM0hLVzhTSnV0aEFmYllCWFRrRG1OY29PVGhCbDhlOHlsZkZ3VDM0b1VZWUZwNnIySQ&q=https://arxiv.org/pdf/2503.21869&v=INhHgflGwaE
Bland-Hawthorn et al. (2023) - https://arxiv.org/pdf/2303.05574https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbWVRTEFHYjNQdkxqZVJfZFFRdHlSdWtqMnh4d3xBQ3Jtc0ttSENnQzJIWTlOWW1jXzEzWGdac0lMWXFNYjNWSDFpVl9uYVJ4NWJMQjNmd0kyZ01mSGx6ZFFXak5TbGp4aENnOTNkbmx3eENQZDB6MzZGQS1XSnpXLVBZR0gxbXVGcmliZk9rNUlsaGtMOVBaaHhhcw&q=https://arxiv.org/pdf/2303.05574&v=INhHgflGwaE
Bland-Hawthorn et al. (2024) - https://arxiv.org/pdf/2402.06060https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbWN1bDZqWThiYlA3NEh5VGc4UDBWaHQyTDhvUXxBQ3Jtc0traXRWeTRtWUswMm1maTFYeEotTDBzNnh0RnN5LUNTS000eWR1MFB6Z2VFQzlRNXY4b3RNQk42ajhNWkNkN1FRNzh4T252VkZtRUJQZDFLNUJUMGstcHViVkh5YjlTeGJqYTFUcnlGRjRReTZWZmQzbw&q=https://arxiv.org/pdf/2402.06060&v=INhHgflGwaE
Feng et al. (2015) - https://arxiv.org/pdf/1504.06618https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbGJyMFcxVWRJNHhTOERKcGduTHhRcE1OTS1GQXxBQ3Jtc0tubFRjblVLOTFZSUFYUVJHSXFIdUtjbmtVMnljNWphdHE5SThiNWlaMC1rYXpORWdaSWZzLU0tbTVJRElfSmowYnZBXzlFaV9tWHVzTEVyTlVBZ2xfQWNoYlR3QTBGVEJKTHNNMTZncnlCY2tHaDRaRQ&q=https://arxiv.org/pdf/1504.06618&v=INhHgflGwaE
Ferreira et al. (2022) - https://arxiv.org/pdf/2207.09428https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbHdEZUJWdUpER21CaTctUk1QWGdpWUpaMXIzQXxBQ3Jtc0tuRExLZnNVWk5palNVb0lqSDMzWkI2OHZFY0FBS1hnMWxZcEdGTE83X2VFRTZMYUhGYWpVTUxzNEZ5MmJXZXRXSGx2WEFRSlQ2MVJMcGtTRW5Xa2dyTDZRYzhtbFE5aHBENGFSNUtYY1dmcVRqNkJkQQ&q=https://arxiv.org/pdf/2207.09428&v=INhHgflGwaE
Ferreira et al. (2023) - https://arxiv.org/pdf/2210.01110https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbUppeXhueGQ0X3NySmlDSFR2U1lUOVNFbzhsZ3xBQ3Jtc0ttMWRJalZ6Q1dQa3ppQ3A2NG9Qdjg4cGN3UTgtcGhJbHNYSEFjcmltR3ZFelNzeEU2d2hTWm93S1NoSGZEZGk1SWdtdmx5MFNOQ1BOcHB5dmdjQjJhSE13aEtQSGdKMXVzdl91RmZjT09TWFB3eDVxRQ&q=https://arxiv.org/pdf/2210.01110&v=INhHgflGwaE
Fraser-McKelvie et al. (2018) - https://arxiv.org/pdf/1809.04336https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbXFjVkxqTFM4WEFzNUdGcW10SUV2R3JIamRhQXxBQ3Jtc0tuYS0yclhqcXVJZlZ2RlpxdlJPSEM1Qk05X2Qta2huY294cXlWU0ZrNG9XSndYR1V0eTd4Rjh0Tm9xZ1BubzNNdjk5TXVzWGtNaC1SaWViQjVSdm56M0p0STJKZlpjOG5GN3h3Y25oMW9hMEQtc29Fdw&q=https://arxiv.org/pdf/1809.04336&v=INhHgflGwaE
Fujii et al. (2011) - https://arxiv.org/pdf/1006.1228https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbF9GekEzVXRXcFdWYXh2WEhjWTFsQzRLdThwZ3xBQ3Jtc0tuemRTMnNyTTNCSGlxR29lMXFZMk1KQUxnQlk4RExjXzh5dGVWMU1pWUhXMmlWWnJRZlk3d0hNXzZkY2xha2tSYm9EMDRVbDdHUUd5bEFxWW1tN2JPVklPWnMtLWx3ZUhsLURGVm1STGs3elRaVUFqSQ&q=https://arxiv.org/pdf/1006.1228&v=INhHgflGwaE
Fujii et al. (2018) - https://arxiv.org/pdf/1712.00058https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa0V4UWFpNklsM1dmYzRPVWZiRlJSTXhfRVhHd3xBQ3Jtc0ttQTR1NHBjZFFfMEtKTDdmYTBiQThKaVkySmN3RlRCUTdpaUhJaXdUeUtzMHphQVFuT2g2WGlGRlpFcjZ1RGU1eVFCeEw4b2lqR3c3QVVWOUMzV0hSU0pLSkZ5TjRlUGJXYUNwMEZRU0dIcmQ0dnlRcw&q=https://arxiv.org/pdf/1712.00058&v=INhHgflGwaE
Guo et al. (2023) - https://arxiv.org/pdf/2210.08658https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1VFMVJRWHpHZHlHZjY2WUZFb0FfU0pLN0xrd3xBQ3Jtc0tsWmZxS296d1A1aVJLVmhSMkhxdThrQ1o3cGZBR3hxV0F6cHVqMllsNTFObW5VcnRKZzZpZEVVdTJiZ0t3ajNDUllKTlE2eDRuOV9VbXg1Y2hxSVlTM3NTWFVpSm5VUVA5eWJsY1l6am9zMXdybE5SZw&q=https://arxiv.org/pdf/2210.08658&v=INhHgflGwaE
Kuhn et al. (2024) - https://arxiv.org/pdf/2312.12389https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1JiMlZkU3lqZ1JNUnBXekduVnFqRXlYSTFLUXxBQ3Jtc0tsUllnNlByWmgwYWc4NVZFOGFSRy11bU0xTmtiYzd4bWVDcjZqWjh4LWZRcVNUZnZ0S3k2cWo2Ti1weWZsVUJodTYwRExjY3VsZkd4cDlYTE9WWXpmMlBLdmJKVGw0Wkpia09FRE1QMVNoQ2RRbml5bw&q=https://arxiv.org/pdf/2312.12389&v=INhHgflGwaE
Labbe et al. (2023) - https://arxiv.org/pdf/2207.12446https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbU5kb1YteW9lVkltSHVRVC0ycVBKOURJekhld3xBQ3Jtc0tsTkVYbDZLdVlWWUVMTUJOVmlLallLeHU4OTY5eGtvdkR5SS1qQ2RucE9jUzZzVzZCdldicnVNTE9mZV9kTGlxbUR4X053d3V1NURjcXFBaXRwazNZOXZ4XzBYMWVGR3VuNjducXFVMWRzbTJqSWtDdw&q=https://arxiv.org/pdf/2207.12446&v=INhHgflGwaE
Liang et al. (2024) - https://arxiv.org/pdf/2311.04019https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbnFKVVllOERtOWdpZG1JME9PRm1aNVVpTGhhQXxBQ3Jtc0trRWV4dV83RVBUTG8wY1lBcU9KUDV2UC1YU1pOY0o0dVNaR0RXVFIwTWxHX1A1N05sT09TS2VzQ1lqUzVUZFZzbmlhSGUyRFQyOU5FU1VjZl95UmtOZk9KS3VyZ1l5Q1ZDQTVVOUVVeThHUzVLMXlCdw&q=https://arxiv.org/pdf/2311.04019&v=INhHgflGwaE
Simmons et al. (2017) - https://arxiv.org/pdf/1610.03070https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa3Zhd3lZbXpxcVNpZXdFRHppTXVfTnVRTUhNQXxBQ3Jtc0trTUZFRVFwN3U5UDVUdVlScy10TkJPMnBQQU9XaGpBMXduZ2hRQlU1UVFMX0tTeWJta3RZZ2NhRVd4UVhTZVZtQWUxSkstOUlKSlJLWkpXcGx2bEZWQmtQdkNXdEN5amZMZ21GOWVjTVJTekE0SUxiRQ&q=https://arxiv.org/pdf/1610.03070&v=INhHgflGwaE
Walmsley et al. (2023) - https://arxiv.org/pdf/2102.08414https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazZ0MGl0RXMycF94WlE2X2pwSnQwMnVGbE5LZ3xBQ3Jtc0tuNF9hZXdIdWVkNEhoTWtERTV3MnlXSTUtQ3B4NE9uSjU1TURvdHotd0RPTm8tMVJMOE9rQnRPeUJvQjluOXYyYU16SFlXODhrMDJ6MktwazRUTHg2dmgyUkF1cUZnUzJiZDFRb0k4Vlo1SWdpek5xSQ&q=https://arxiv.org/pdf/2102.08414&v=INhHgflGwaE
Walmsley et al. (2025) - https://arxiv.org/pdf/2503.15310https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbURMWlo3SjJNTm83RjFxdlBhSUhTQmlUdm41Z3xBQ3Jtc0tuSHZjaU9ndk9tUG56bThVaUowNTBHNUxXb2wway1RZUFtY2ZuYjRLa2dnYXpidWpOMFdqOGFlNTMwSVFuZl82X1RlaDZhNlR6Rm1fQzN3aDV4UDZfd1I0Rkxrb2JvTHF5dlBjZm1CdkRtWkNrdUtQMA&q=https://arxiv.org/pdf/2503.15310&v=INhHgflGwaE

00:00 Introduction
02:25 What are featureless discs and why do we care about them?
06:44 How we found these featureless discs in JWST data
14:54 Are they truly are featureless discs?
16:53 What this means for how galaxies evolve in the Universe
19:11 Bloopers

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Hello and welcome! My name is Anton and in this video, we will talk about the Andromeda
Links:
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbGlDVnBuSFFxalJvUmZvQUlYNm5ndzNydlhCUXxBQ3Jtc0tuZ016ZGFTWXNKQ0ctUUs0UjR4c0NqanJDR1RrSG9rOFh2ZWQ2S280UEl4MzlWOTBjanQwdEJFMWNQd0hraXVJZ3NSYVZWSFFMT2ZkUWQ0TW1OZWNyQlhtSU9CVTV5ZkNrTXh2SVdwaTJOVFZvWXM2dw&q=https://iopscience.iop.org/article/10.3847/2041-8213/adb433&v=q8ac0CdAiCA
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1E2bXhlOGNEcHEyeXl4ZDFLQUhsMDNvbGxGZ3xBQ3Jtc0tudElaQ3RfNlhQUHdZNjB0cmxocHdWdG9NRWNmaVZ3VnNPbGdGS2JQWWVaSzlaV3N5Rll6QnlNNnNUbmZyRWRMdm1WMzZTc0huWXFwa29VeEd3eGtxd0VXVHNFQUM5WjBWLVR0SjEwMGpzdUtMaVhTMA&q=https://iopscience.iop.org/article/10.3847/1538-4357/aca5f8&v=q8ac0CdAiCA
https://arxiv.org/abs/2301.10381https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbXFOS3lPOHMwem51dGxBWTFhME5jSzhDenJ0QXxBQ3Jtc0tudUphdk4xYTQyTmdJdVBIMUtMMjJPODN3NDFiY3Y1NEhDcVFDSXZ5QWc0UG1wOTMwUkNHbnlLbnRmOU5FLWNSSFdwN3Jrc0NqYzMxVVYtd09CMzhENkdLR05SZVBpSTJ5dC03Z0g0MWtSeHB5YzlUYw&q=https://arxiv.org/abs/2301.10381&v=q8ac0CdAiCA
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbEhzZlNWa0ZFSi0yalZIUmkyODRIRzZoWXRFZ3xBQ3Jtc0tsX29mSzRCYlJLSEtpby1qaUd6X0FQbHFGSHVNNHZoRnVJZFI0OC1MZ2dNWndqeGwwNllxTmpXR2ZOdEROSE9JeDIwbFp4Vk5lc19QNUtiQk1mWEtZc0QyMWNGLWJoYTBYbXJwOWFLLVZPX1phMUw0Yw&q=https://iopscience.iop.org/article/10.3847/1538-4357/ace2c3&v=q8ac0CdAiCA
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbjQwZEg0NWV2VUF5TG8wZ0xadm1tY1NWQUF0d3xBQ3Jtc0ttMmkta29mWFJTVDNXWm5RZmlYQjMyWWh1YlhkMy1iT3BVZnRXdExiSjl2THF6MG1VUHRNamNWM0ZMbXlEODB0SndrRnRkMFdKZE9GblhlVnM1T291YUMweTJhVENxY1o1LVhNWkotSWw4cnp4bDB5aw&q=https://iopscience.iop.org/article/10.3847/1538-4357/ad7e2b&v=q8ac0CdAiCA
https://arxiv.org/abs/2502.09792https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbFNNYVpTaDBsN0w1dW12QlZEWG5KckxwVHJFUXxBQ3Jtc0tuMGlGdV9WTEdER1h1RVZsbU1VN3NLZ29Ib0dJY2diVy1FUWRubWV4Qm9NbkhIRFFpZ0R6NDlSY0xyOFVsMEIwY1N3cWJfN3BWS3VTb0xKWWREOGNOU211WGk1MkF0TjZqcnc1dDVTdjF0M1NEV2N4cw&q=https://arxiv.org/abs/2502.09792&v=q8ac0CdAiCA
Additional videos:
• Scientists Discovered the Collision T...

View: https://www.youtube.com/watch?v=MQzwrWVC8Bo

• Disappearance of a Star in Andromeda ...
• 100 Years Ago a Single Star In Androm...
• Andromeda Galaxy Turns 100 Years Old,...
• 100 Years Ago Scientists Failed to Re...
• Extraordinary Object Found in Orbit A...
• James Webb Solves One of the Biggest ...

View: https://www.youtube.com/watch?v=k0n7Nvbf-d8


#galaxy #andromeda #cosmology

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0:00 Andromeda discoveries
0:35 Why this matters
1:10 Hubble telescope survey
2:05 Different history from Milky Way
3:00 Major cataclysmic event
4:15 Collision remnants
5:20 Central black hole explained
7:45 Satellite galaxies are strange
8:50 Unexpected satellite around Andromeda
11:20 Smallest and dimmest galaxy ever seen
12:50 Why this makes no sense
14:25 Conclusions

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Planet Earth is the jewel of the solar system—the shimmery blue oceans, the verdant green forests, the wispy whimsical cloud formations. Saturn is the only competitor for most gorgeous planet with that giant ring system. Hmm… what if we could put the jewel of the Earth in its own ring? Then no contest. Well, there’s an extremely good chance that Earth once DID have a ring system. At least, that’s the proposal by a recent study that has evidence that a mysterious burst in meteor activity nearly half a billion years ago was actually caused by that ancient ring system collapsing onto the Earth. And, you know, if we had a ring once maybe we can have one again.

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Check Out Joe Scott’s: What Would Happen If The Earth Had Rings?

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00:00 Introduction
00:38 Channel Announcements
01:21 New Community Format + Patreon
02:35 Main Hypothesis
04:20 Lunar Debris Theory
07:15 Asteroid Impact Theory
10:35 Ring Lifespan & Dissappearance
14:46 Final Thoughts and Future Questions

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Hello and welcome! My name is Anton and in this video, we will talk about a chance of having habitable planets in the early universe
Links:
https://arxiv.org/pdf/2501.08375https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbEh5VlBPRXpFdW9menBmU09QZzV5b2sxejYzQXxBQ3Jtc0tsbjJmTmtRSm1GMndSV25SUElMMS0wVDJ4WlVIUVBCRFo2UUtrMllndlZTUnFFY3lhWEJBUXEwZ0VFdjRZbXEzZ3hmRDVXWGJQVWlaZkZOZ2N5SEd5ZEJFanpXb2Nzc1ZFWWZQNm5YZU1JdF9QejZkdw&q=https://arxiv.org/pdf/2501.08375&v=R3xXRly2GZs
Other videos:

View: https://www.youtube.com/watch?v=WqDI4ojw-94

• We Just Detected a Rare Type of Super...
• Unexplained Type V Supernovae That La...
• Mindblowing New Map of Early Universe...

View: https://www.youtube.com/watch?v=re0QKuomzQ8

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0:00 How early could habitable planets form?
0:55 What we know about the early universe
2:20 First stars and how they formed
3:50 Could planets have formed so early too?
4:40 New study - early formation of planets was possible
8:25 What this means and conclusions
#bigbang #cosmology #astronomy

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The deaths of massive stars results in one of the most beautiful and violent events in the universe: the supernova. They are so luminous we can see them here on Earth and historical records show that we can even see them into the day. But supernovas release deadly and violent radiation that could destroy our atmosphere. So how far away do these supernova have to be for humanity to be safe? And when will the next supernova occur

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NMaude said:

Here's an interesting video from Anton Petrov concerning an experiment generating voltage fro Earth's magnetic-field:

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publiusr said:

Would that work better if deployed on a lunar elevator?

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Hello and welcome! My name is Anton and in this video, we will talk about the bizarre circular formations visible with radio light
Links:
https://emu-survey.org/https://www.youtube.com/redirect?ev...mZkTQ&q=https://emu-survey.org/&v=5U3LSVKXPQg
https://www.aanda.org/articles/aa/ful...https://www.youtube.com/redirect?ev...4/10/aa50766-24/aa50766-24.html&v=5U3LSVKXPQg
https://theconversation.com/ghosts-of...https://www.youtube.com/redirect?ev...f-faint-circular-objects-249141&v=5U3LSVKXPQg
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?ev...rticle/10.3847/1538-4357/ad70af&v=5U3LSVKXPQg
https://www.aanda.org/articles/aa/ful...https://www.youtube.com/redirect?ev...4/10/aa50766-24/aa50766-24.html&v=5U3LSVKXPQg
https://arxiv.org/abs/2411.17311https://www.youtube.com/redirect?ev...ttps://arxiv.org/abs/2411.17311&v=5U3LSVKXPQg
https://arxiv.org/abs/2412.20836
https://www.youtube.com/redirect?ev...ttps://arxiv.org/abs/2412.20836&v=5U3LSVKXPQg
Other videos:
https://www.youtube.com/watch?v=jXnXbMcI8Lo
• Odd Radio Circles Update - The Bigges...

• Odd Radio Circle Updates and Major Su...

• Incredible Time Lapse by NASA Reveals... https://www.youtube.com/watch?v=yAl2E8-oKV8
#radio #astronomy #circleshttps://www.youtube.com/hashtag/circles

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0:00 Radio telescope discoveries - circles everywhere!
0:45 How this was found and why it's important
3:20 Rings produced by stars
4:55 Supernovae are very similar too
5:45 Perfect circle!
6:25 Largest supernova remnant
7:00 Nebulae
7:35 Radio ring galaxies
8:20 ORCs - odd radio circles
9:50 Potential explanation - is this just a perspective?
12:00 Conclusions

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Hello and welcome! My name is Anton and in this video, we will talk about new observations of 2024 YR4 asteroid
Links:
https://iawn.net/obscamp/2024YR4/gall...https://www.youtube.com/redirect?ev...lery/YR4_memo_final_27mar25.pdf&v=Z_GTocCTfxk
Other videos:
https://www.youtube.com/watch?v=s0wOgYFYmh8
• Major Updates About Asteroid That Mig...

• Distant Objects In The Solar System M... https://www.youtube.com/watch?v=MIzqUV4MSJg
#asteroid #2024yr4 #earthhttps://www.youtube.com/hashtag/earth

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0:00 2024 YR4 updates
1:03 Orbital predictions
2:02 What if it collided with the Moon?
3:28 JWST observations and discoveries
6:20 Strange discoveries
7:10 Potential properties
8:05 Sibling asteroids
9:35 Fast and unusual spin
10:10 What's next? Conclusions

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Astronomers have released the most accurate map of the Milky Way to date, built from an astonishing three trillion observations of two billion celestial objects over 11 years. It’s the masterpiece of the European Space Agency’s Gaia mission. For the past decade, Gaia has been tirelessly scanning the sky, and the results are breathtaking—offering both face-on and edge-on views of our galaxy in stunning detail. But Gaia did more than just map the stars—it uncovered secrets about the Milky Way that we never knew existed.

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REFERENCES:
The Best Milky Way Map by Gaia (ESA) – https://sou42.co/44eavHC
https://www.youtube.com/redirect?ev...FpOA&q=https://sou42.co/44eavHC&v=glLg-h77Z7w
Hipparchos Mission – https://sou42.co/4lm8sYhhttps://www.youtube.com/redirect?ev...ttMA&q=https://sou42.co/4lm8sYh&v=glLg-h77Z7w
ESA’s Billion Pixel Camera (PDF) – https://sou42.co/4jlOfzW
Last starlight for ground-breaking Gaia – https://sou42.co/42pWCUs
Five fascinating Gaia revelations about the Milky Way – https://sou42.co/43JH5Bc
Gaia Black Holes – https://sou42.co/4jkonV7
Gaia 4b and 5b – https://sou42.co/3RFsQpy


RESOURCES:
Epidemic Sounds, Pond5, iStock, NASA/ESA/ESO/ESA, StoryBlocks, Envato Elements

‍ Created By: Rishabh Nakra
Researched By: Shreejaya Karantha
✍ Written By: Shreejaya Karantha and Rishabh Nakra
️ Narrated By: Jeffrey Smith

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CHAPTERS:
00:00 Introduction
02:00 How It Works
06:41 Mapping the Galaxy
08:38 New Milky Way Discoveries
13:36 What Else Gaia Discovered

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Significantly, James’s new system is the heaviest of its type ever confirmed, with a combined mass of 1.56 times that of the Sun. At this high of a mass, this means that, no matter what, the stars are destined to explode.

The explosion is not due for another 23 billion years, however, and despite being so close to our solar system, this supernova will not endanger our planet.

Right now, the white dwarfs are leisurely spiralling around each other in an orbit taking longer than 14 hours. Over billions of years, gravitational wave radiation will cause the two stars to inspiral until, at the precipice of the supernova event, they will be moving so fast that they complete an orbit in a mere 30 – 40 seconds.

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For the supernova event, mass will transfer from one dwarf to the other, resulting in in a rare and complex supernova explosion through a quadruple detonation. The surface of the mass-gaining dwarf detonates where it is accumulating material first, causing its core to explode second. This ejects material in all directions, colliding with the other white dwarf, causing the process to repeat for a third and fourth detonation.

The explosions will completely destroy the entire system, with energy levels a thousand trillion trillion times that of the most powerful nuclear bomb.

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warwick_astronomers_discover

warwick.ac.uk

A super-Chandrasekhar mass type Ia supernova progenitor at 49 pc set to detonate in 23 Gyr - Nature Astronomy

This study reports the characterization of a double white dwarf that will explode as a type Ia supernova on our Galactic doorstep. Given that the source is so close, this event would outshine all stars in the sky, with an apparent magnitude of −16.

www.nature.com

Hello and welcome! My name is Anton and in this video, we will talk about updates about K2-18b potentially habitable exoplanet
Links:
https://arxiv.org/pdf/2501.18477https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa2luS09hQWpER1lrMVJGMC05djlUWHByZkNWZ3xBQ3Jtc0tsX0JqZ1F5TGJTQmExdHFjM01fd0NUZnlLWmV0Ykt5X2M1QkppNW5BUWhTeW1vdzNUZHlSMkdXTS03UEV5Q25uRmlLc0pzT1ZxaWhNTjV2YUc0SUlqS0Y0ZGQ3ZTFOcVh3TGVDdXh3azNFWnpvbVE1cw&q=https://arxiv.org/pdf/2501.18477&v=lQGZQiJ9J0s
https://www.nasa.gov/universe/exoplan...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbURjbjdLS0pPTmhiNHFUem51YXJwM3ktenB6UXxBQ3Jtc0ttM0MyR1poLW1zN2VUTjJKU0VFdnUwRVRsY0RwOHFCajRKM3ZRRldlY0l5UVdiY3RUdHQxV1dPdVRPOE1MWlltaHlYQnlfLUNMSUhUUGc2dEZKd2ZLb0kxRDVlNHlHSkk3aEpQRDhuVDFxWDQxWkZFOA&q=https://www.nasa.gov/universe/exoplanets/webb-discovers-methane-carbon-dioxide-in-atmosphere-of-k2-18-b/&v=lQGZQiJ9J0s
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbGtUYmtGQlE3Zjhuc2JmMHQydzdHR0w3ZE1HZ3xBQ3Jtc0ttaGFyOXVaNEtLM3VJZXJwYXpINHdLYnZhVDQ4RU0xTEVFYU5ZYjBPcXNKdUlyQ3dPcUZ2dWFVdlVlSWlLa3A3SzhpZHJtOWFmbWszd3VlSXpwQ29jOTNlTzNidTY0b3ZZbjF6c0kzdVBfZGFFb1B6WQ&q=https://iopscience.iop.org/article/10.3847/2041-8213/acf577&v=lQGZQiJ9J0s
https://iopscience.iop.org/article/10...https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1VxdnpfM2d1d1ZDN3RQUkxpemNkcnhic1J4QXxBQ3Jtc0treVd3Vnp0X21pbk9MRVhPRWV1SjFtaTFlcUZvTWRzNWhGM0l5RkpDWVowVVA4UnhKX2lGU2FyckNNRzVaQ3ZFSGFGV3pUQ0hiSnJsWkVFaFVjV2FrQ2xNVVBWVm1RMXM2WWhMdzB6SHhxcEhQTlFqZw&q=https://iopscience.iop.org/article/10.3847/1538-4357/ad8565&v=lQGZQiJ9J0s
https://www.nature.com/articles/s4158..https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazJoSVB6dWplVEdaakFzUGtyZFl3Z1ZKVHpGUXxBQ3Jtc0ttM0JCM1V5VlZXaVV4RWhFenlQbm9iMVRua25uUWFLcVYxbEFPZG1ncHFrYUhwdEwyMVE1WkE1N1p4ZHNPWV9fYmk1Z2Y0S1I2ZnhySE12STg3V0N3SEk3a184Y3Z2ak1qdDRyeFJnU0VwUHYyZW0wRQ&q=https://www.nature.com/articles/s41586-021-03804-9.epdf&v=lQGZQiJ9J0s
https://link.springer.com/article/10....https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa2tGV2lQa1VBQkVaZ0tFOVZBWUJSNVE1M1Btd3xBQ3Jtc0tuOFROMHhuRF9TOVYzc05IR3VIcXVFbkpYaXdRSmtBaUFQV0N2V2pnWHRENEZiNmhYWHZad2hGVHVjVGZnZ0lUcFZSVzBXRXkzV2FKZXoxNVFkTnY5N1hPVmxsLXhsaGMtVjR3NG1CWlBKZ295X0dqaw&q=https://link.springer.com/article/10.1007/BF01372393&v=lQGZQiJ9J0s

Other videos:

View: https://www.youtube.com/watch?v=uzDNLCpNfEQ

• Scientists Find Water Around a Habita...
• Did JWST Really Just Find Alien Life ...
• This Is Big! JWST Finds Possible Alie...
• Did Scientists Find Life on K2-18b Or...
• New Type of Planets, Hycean Worlds, C...

View: https://www.youtube.com/watch?v=b2O9irgjeXU

#k218b #exoplanet #habitable

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0:00 K2-18b updates
0:40 What is this planet?
2:55 Recent DMS discoveries
4:35 Additional discoveries: Titan
6:10 DMS without life - comets
8:05 Observational biases
9:30 New analysis and the summary so far
10:15 So what is this planet?
11:10 Water is still possible and future observations

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The exoplanet, L 98-59 c, is a hot, rocky world slightly larger than Earth that orbits a bright, young star about 35 light-years away from us. While the planet itself was discovered back in 2019, a new analysis of Hubble Space Telescope observations suggests it may be capable of hosting an atmosphere, adding to the diversity of known terrestrial worlds with clearly defined "air."

If confirmed, the new findings would also make L 98-59 c the first planet of its size with a detected atmosphere, astronomers say, potentially setting new constraints on the atmospheres of worlds with this size and their ability to endure extreme environments created by the harsh conditions of young, flaring stars.

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Nearby exoplanet could offer clues about atmospheres around hot, rocky alien worlds

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere."

www.space.com

Nothing can escape a black hole; what’s going on inside that point of no return past the event horizon is completely unknown to us. Is all the matter crushed down into an infinitely dense, infinitely small point known as a singularity? Or is something else going on? Annoyingly, under the laws of physics as we understand them, cosmic censorship says will never know what happens beyond the event horizon. Or will we? Because when we run the maths, using Einstein’s equations of general relativity, and sprinkling in a little quantum mechanics, out pops the idea of naked singularities - infinitely dense regions of space, without an event horizon shielding them from view. Singularities that we might be able to see, and observe, to work out what does happen when matter collapses down to infinite density. Now this is all still hypothetical, we’ve never found a naked singularity out there in the universe yet, although some objects have come tantalisingly close to looking like one…​

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00:00 Introduction
03:24 A refresh on general relativity and black holes
06:10 What is a naked singularity?
09:55 Have we found any in the Universe?!
12:01 Bloopers

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Hawking & Penrose (1970) - https://www.jstor.org/stable/2416467?...https://www.youtube.com/redirect?ev...r.org/stable/2416467?origin=ads&v=vl6gzT1vK5k
Penrose (1974) - https://articles.adsabs.harvard.edu/p...https://www.youtube.com/redirect?ev...ard.edu/pdf/1974IAUS...64...82P&v=vl6gzT1vK5k
Ori & Piran (1990) - https://journals.aps.org/prd/abstract...https://www.youtube.com/redirect?ev...stract/10.1103/PhysRevD.42.1068&v=vl6gzT1vK5k
Anders et al. (2018) - https://www.nature.com/articles/s4155...https://www.youtube.com/redirect?ev...com/articles/s41550-023-02040-7&v=vl6gzT1vK5k
Chakraborty & Battacharyya (2018) - https://arxiv.org/pdf/1712.01156

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Hello and welcome! My name is Anton and in this video, we will talk about a strange extinct organism called Prototaxite that doesn't resemble anything today and may be a 4th type of life
https://www.biorxiv.org/content/10.11...https://www.youtube.com/redirect?ev...01/2025.03.14.643340v1.full.pdf&v=lPGIVwWjjEw
Previous videos:
https://www.youtube.com/watch?v=2vzOXj_lh58
• We Just Found a Missing Link For Evol... https://www.youtube.com/watch?v=2vzOXj_lh58
Other channels talking about this (credit: PBS/BBC and Moth Light Media):
https://www.youtube.com/watch?v=v3ZJdgXV4fk
• When Fungus Grew to the Size of Trees

• How Giant Fungal Spikes Dominated Our...

• When Giant Fungi Ruled https://www.youtube.com/watch?v=-G64DagHuOg

#life #earth #evolutionhttps://www.youtube.com/hashtag/evolution

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0:00 Strangest organism that used exist on Earth
1:10 Ages of Fishes
1:45 Strange fossils and what else existed back then
3:10 Fungal link and what they were like
4:55 Then it vanished but why?
6:55 But are they mushrooms though?
7:55 New study suggests this was a 4th type of life
10:10 Conclusions and what these probably are

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Lingering brightness provides evidence for how planet met its demise.
Every year, scientists around the world apply for observing time on NASA’s James Webb Space Telescope. When proposals are selected after a vigorous vetting, the programs go into Webb’s observation queue for the future, ready to be scheduled based on various factors, including windows of visibility.
However, what if an astronomer wants to study something, but they don’t know ahead of time exactly when that event will take place? Or where? Think supernova explosions or a gamma ray burst. This is called a Target of Opportunity (ToO) observation, which astronomers can define in the proposal planning phase, ready to have them ‘enacted’ when the time comes.
One of the first ToO programs performed by Webb has now proven fruitful, providing insights into the immediate aftermath of when a star swallowed its own planet.

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Venture 1.2 billion kilometers out across the solar system to explore Dione, Saturn's fractured ice world. On this enigmatic moon, massive ice cliffs and mysterious fractures scar an ancient, cratered landscape. This breathtaking tour reveals how powerful forces have shaped this frozen world, and explores the tantalizing secrets that may be lurking below the icy crust.
▀▀▀▀▀▀
0:00 Saturn’s Mysterious Fractured Moon
1:20 How Was Dione Discovered?
3:01 The Voyager Era
5:03 The Cassini Revolution
6:39 Dione’s Features
8:04 Chasmata: Dione’s Fractured Face
9:16 Dione’s Steady Dance
11:16 What’s Beneath the Surface?
12:57 Will We See Dione Again?
14:19 What We Know So Far
▀▀▀▀▀▀
References
“Dione Moon – The Inner Moons of Saturn”, via theplanets.org https://astrumspace.info/dionemoon
“Saturn Moons”, via nasa.gov https://astrumspace.info/saturnmoons
“Dione: Saturn's Turned-Around Moon”, via space.com https://astrumspace.info/dioneinfo
“Voyager 1”, via nasa.gov https://astrumspace.info/voyager1
“Cassini-Huygens”, via nasa.gov https://astrumspace.info/cassinimission
“Palatine Chasmata”, via usgs.gov https://astrumspace.info/chasmata
“Magnetospheric interactions of Saturn's moon Dione”, via wiley.com https://astrumspace.info/kruppetal
“The gravity field and interior structure of Dione”, via sciencedirect.com https://astrumspace.info/zannonietal
“The Future Exploration of Saturn”, via books.google.co.uk https://astrumspace.info/bainesetal

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We finally know exactly how long it takes Uranus to turn once; there’s a Type 1a supernova in the making, and it’s really close; how much total life could be on Titan? and a new comet could brighten in the coming weeks. And in our Space Bites+ on Patreon, how our understanding of the physical properties of galaxies could be wrong.

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00:00 Intro
00:24 Uranus and Hubble
https://www.universetoday.com/article...
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...y-hubble-show-a-changing-planet&v=hYEk5UL6Mug
03:26 Nearby supernova
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...aking-just-150-light-years-away&v=hYEk5UL6Mug
06:35 Andromeda's black hole winking
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...das-black-hole-is-winking-at-us&v=hYEk5UL6Mug
07:55 Planet swallowed
https://science.nasa.gov/missions/web...https://www.youtube.com/redirect?ev...llowed-by-star-yields-surprise/&v=hYEk5UL6Mug
09:39 Stripping star
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...tars-down-to-their-helium-cores&v=hYEk5UL6Mug
11:39 Vote results
https://www.youtube.com/channel/UCogrSQkBJn1KF0N9I4oM7eQ/community/community
/ @frasercain https://www.youtube.com/channel/UCogrSQkBJn1KF0N9I4oM7eQ/community/community
12:26 Limits of life on Titan
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...life-on-titan-but-not-very-much&v=hYEk5UL6Mug
14:05 Exozodiacal dust
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...y-exoplanets-are-hiding-in-dust&v=hYEk5UL6Mug
15:29 Another chance for a comet
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...uld-put-on-a-brief-show-at-dawn&v=hYEk5UL6Mug
16:53 Cool space images
https://science.nasa.gov/missions/web...
https://www.universetoday.com/article...https://www.youtube.com/redirect?ev...y-in-the-small-magellanic-cloud&v=hYEk5UL6Mug
18:49 Guide to space
19:32 Space Bites+
20:19 Big milestone

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Host: Fraser Cain
Producer: Anton Pozdnyakov
Editing: Artem Pozdnyakov

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In 1995, a probe embarked on a journey not many people know about today: To fall into the gas giant Jupiter.
The mission was to plunge into Jupiter and find out what is happening below its chaotic clouds. Called the Galileo Atmospheric probe, it was engineered to withstand crushing pressures, scorching temperatures and hypersonic speeds. An environment that can only be described as extreme. Its mission was brief, but revolutionary. In just over an hour, it revealed a side of Jupiter no one had ever seen and no one has seen since. Yet, what became of this robotic explorer? What happened after we lost contact? Want to help me make videos?
Chapters -
00:00 - Introduction: A Giant Awaits
01:25 - Mission Galileo
02:11 - Anatomy of a Probe
03:26 - Journey Through the Void
04:17 - Descent Into Chaos
06:18 - Sixty-One Minutes
07:52 - The End of the Probe
08:28 - Legacy and the Future

​

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Hello and welcome! My name is Anton and in this video, we will talk about a possibility of building a dyson swarm in the solar system
Links:
https://www.sciencedirect.com/science...
https://arxiv.org/abs/2502.12806https://www.youtube.com/redirect?ev...ttps://arxiv.org/abs/2502.12806&v=Fb9sWuV34fI
Dyson sphere detection? • Dyson Spheres? Two Studies Find Dozen...
https://www.youtube.com/watch?v=-cm6hRaGefo
• Dyson Spheres? Major Updates About St... https://www.youtube.com/watch?v=-cm6hRaGefo
Fermi paradox: • Fermi Paradox Series
#dysonsphere #extraterrestrial #alienshttps://www.youtube.com/hashtag/aliens

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0:00 Dyson spheres and how it all started
1:10 Can we actually form a dyson sphere though?
2:20 Points of stability in binary systems
3:10 How would we build part of the dyson swarm?
5:30 Dramatic effect on planets
6:40 Terraforming Mars technique?
7:40 Best possible solution so far
8:20 Where do we get the material though?
9:20 Carbon alternatives
9:55 Conclusions and what we've learned

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publiusr said:

ILLUMINATE!

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