Astronomy and Planetary Science Thread

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
 
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
Click to expand...
200 years ago, scientific calculations about the life of the sun were made by assuming that the star was made up of burning carbon. What will they imagine in another two hundred years?... These guys always get these things wrong.:rolleyes:
 
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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www.theguardian.com

‘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 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.
Click to expand...

Despite the stupendous pressures resulting from gravitational confinement I'd say that the Sun's interior is far too hot for liquid metallic hydrogen to be present, IIRC the hydrogen/helium plasma in the core of the Sun is ~six times denser than gold.
 
A new study concerning gravity, from Anton Petrov:


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

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That’s the proper attitude in terms of looking at space expenses.

I remember reading old Pop Mech stories about how taxpayers were proud of great sums of money going to do science in remote locations—-an attitude the Greatest Generation had in spades that today’s tech-bros lack.
 
ALMA Discovers “Space Tornadoes” Around the Milky Way’s Core

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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www.almaobservatory.org

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 www.almaobservatory.org

Related paper:

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 www.aanda.org
 
Astrum has just put out a video about some of the denizens of the inner Kuiper-belt:


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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While Anton Petrov has an amusing April Fool's Day treat;):D:


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
Click to expand...
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
Click to expand...
 

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