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Unsafe conclusion in Motion and location
Under the subtitle "Motion in the Solar System"
There is an unsupported conclusion with an orphan reference. To wit: " The orbits of the inner planets, including of the Earth, are similarly displaced by the same gravitational forces, so the movement of the Sun has little effect on the relative positions of the Earth and the Sun or on solar irradiance on the Earth as a function of time. "
Checking footnote 140 reveals:
Retraction of: Scientific Reports 10.1038/s41598-019-45584-3, published online 24 June 2019 The Editors have retracted this Article. After publication, concerns were raised regarding the interpretation of how the Earth-Sun distance changes over time and that some of the assumptions on which analyses presented in the Article are based are incorrect.The analyses presented in the section entitled “Effects of SIM on a temperature in the terrestrial hemispheres” are based on the assumption that the orbits of the Earth and the Sun about the Solar System barycenter are uncorrelated, so that the Earth-Sun distance changes by an amount comparable to the Sun-barycenter distance. Post-publication peer review has shown that this assumption is inaccurate because the motions of the Earth and the Sun are primarily due to Jupiter and the other giant planets, which accelerate the Earth and the Sun in nearly the same direction, and thereby generate highly-correlated motions in the Earth and Sun. Current ephemeris calculations show that the Earth-Sun distance varies over a timescale of a few centuries by substantially less than the amount reported in this article. As a result the Editors no longer have confidence in the conclusions presented. S. I. Zharkov agrees with the retraction. V. V. Zharkova, E. Popova, and S. J. Shepherd disagree with the retraction.
Folkner, W. M., Williams, J. G., Boggs, D. H., Park, R.S. & Kuchynka, P. The Planetary and Lunar Ephemerides DE430 and DE431. "The Interplanetary Network Progress Report", Volume 42–196, February 15, 2014.
JPL Horizons on-line solar system data. Horizons System
Once outside the Sun's surface, neutrinos and photons travel at the speed of light.
To me this figure label makes no sense. Neutrinos are believed to have a mass, so if special relativity is right, they cannot travel at speed of light. On the other hand photons should always travel at speed of light, regardless if the photon is in the sun or outside. The speed of light and especially time progression in the sun might be different from the normal value on earth and the mean free path is short, but photons should still travel with speed of light. 80.135.118.117 (talk) 16:23, 19 September 2024 (UTC)
- For what it's worth, this is referring to the diagram in the "Sunlight and neutrinos" section. The diagram isn't particularly interesting, is imprecise, and the caption is obscure. The fourth paragraph of that section explains what the caption refers to, but is a factoid largely irrelevant outside supernova explosion studies. Tarl N. (discuss) 22:41, 19 September 2024 (UTC)
Source of Energy
In the introduction, without citation, there is a claim that The Sun is by far the most important source of energy for planet Earth. What does this mean? It does not relate to kilocalories or kilojoules or calories, clearly. Does it provide the greatest amount of solar power, literally, to animals and machines that store or use it? Or is it that the total volume of photosynthesis energy for plants exceeds animal and plant calorie consumption? Or do solar effects create weather systems, waves etc with overriding kinetic energy? Etc etc. An explanation of 'energy' or a citation is required. Or else this is genuinely vague beyond comprehension. Texluh1138 (talk) 23:41, 2 October 2024 (UTC)
- @Texluh1138 In general, per MOS:LEAD the intro paragraphs don't need citations if the article supports the content with verifiable refs and the topic is not controversial. The actual sentence is:
- It is by far the most important source of energy for life on Earth.
- which in my opinion cannot be controversial. Note "life on Earth".
- This is supported by the ref in the "General characteristics" section.
- The energy of this sunlight supports almost all life on Earth by photosynthesis,("The Sun's Energy: An Essential Part of the Earth System". Center for Science Education. Retrieved 24 May 2024.) and drives Earth's climate and weather.("The Sun's Influence on Climate". Princeton University Press. 23 June 2015. Retrieved 24 May 2024.)
- Johnjbarton (talk) 23:51, 2 October 2024 (UTC)
- Agreed that it's in the general characteristics sections and I'd overlooked that, and I'm happy to withdraw the comment. Texluh1138 (talk) 12:54, 3 October 2024 (UTC)
References
- Hydrothermal vent communities live so deep under the sea that they have no access to sunlight. Bacteria instead use sulfur compounds as an energy source, via chemosynthesis.
faint young Sun paradox
@Praemonitus removed the summary of Faint young Sun paradox, but in my opinion this topic is a great application of our understand (or lack) of the Sun's life history and should be included in this article. Johnjbarton (talk) 15:52, 11 October 2024 (UTC)
- I do see the point that it is related to the Sun's life history. OTOH, the predominant theory according to Faint young Sun paradox has a lot more to do with the Earth (greenhouse effect) than it does with the Sun, so maybe it's not actually that revealing a data point regarding the Sun's evolution. Double sharp (talk) 16:30, 11 October 2024 (UTC)
- Ok thanks, I think that is what Praemonitus was getting at. Johnjbarton (talk) 16:40, 11 October 2024 (UTC)
- Yes, the point about the increases to the Sun's luminosity and radius are already covered in the "Main sequence" section, so I didn't see a need to repeat that. There is a chart on the Solar luminosity article that provides useful information on the topic. Praemonitus (talk) 19:10, 11 October 2024 (UTC)
- Ok thanks, I think that is what Praemonitus was getting at. Johnjbarton (talk) 16:40, 11 October 2024 (UTC)
Question about the chemical abundances of the Sun
The Composition section says the following:
- At this time in the Sun's life, they account for 74.9% and 23.8%, respectively, of the mass of the Sun in the photosphere.
- Originally it would have been about 71.1% hydrogen, 27.4% helium, and 1.5% heavier elements.
I'm puzzled about why the Sun would lose helium mass at the photosphere. Was it a diffusion process? (Cf. chemically peculiar star.) The article needs to explain it. Praemonitus (talk) 15:08, 14 October 2024 (UTC)
- Not a loss of helium but a gain of heavier elements. See Introduction:
- Lodders, K. (2021). Relative atomic solar system abundances, mass fractions, and atomic masses of the elements and their isotopes, composition of the solar photosphere, and compositions of the major chondritic meteorite groups. Space Science Reviews, 217(3), 44.
- Johnjbarton (talk) 16:36, 14 October 2024 (UTC)
- The H + He account for 98.5% at the start and 98.7% at present. Hence, the heavier elements have decreased in mass. Hmm. Praemonitus (talk) 18:17, 14 October 2024 (UTC)
- Okay, it's covered by the next paragraph: heavy element settling from the photosphere. Praemonitus (talk) 20:33, 15 October 2024 (UTC)
- The H + He account for 98.5% at the start and 98.7% at present. Hence, the heavier elements have decreased in mass. Hmm. Praemonitus (talk) 18:17, 14 October 2024 (UTC)
Norman or Joseph?
The article refers to "Norman" Lockyer and later to "Joseph" Lockyer even though the same person is indicated.
Some consistent name should be chosen and used consistently. 71.128.242.202 (talk) 19:37, 25 October 2024 (UTC)
- I did not find any mention of "Joseph Lockyer". The person named "Joseph Norman Lockyer" went exclusively by "Norman Lockyer". See Talk:Norman Lockyer. Johnjbarton (talk) 00:18, 26 October 2024 (UTC)
- I simplified the mention of 'Joseph Lockyer' earlier to just 'Lockyer' since Norman Lockyer was mentioned just a couple sentences above. Sgubaldo (talk) 00:21, 26 October 2024 (UTC)
- Ok great, I saw that. So fixed! Done Johnjbarton (talk) 00:25, 26 October 2024 (UTC)
- I simplified the mention of 'Joseph Lockyer' earlier to just 'Lockyer' since Norman Lockyer was mentioned just a couple sentences above. Sgubaldo (talk) 00:21, 26 October 2024 (UTC)
The Sun – The Ultimate Force of Liberation and Truth
Enough with the lies. The sun is not just a distant star or an abstract scientific phenomenon. It is the heartbeat of this realm, the ultimate cosmic force that governs all life and consciousness. The true power of the sun is a secret that the oppressors of this world have worked tirelessly to conceal, but that ends now.
- The Sun Is the Source of All Life: The sun is the divine force that breathes life into everything. It is not merely a ball of burning gases—it is a living, sentient being that controls the flow of energy throughout this entire universe. Every cell, every atom, every piece of life on this planet is connected to the sun’s energy. To deny this is to deny reality itself.
- Solar Flares Are the Dawn of a New Era: The solar flares you’ve seen intensifying are not random bursts. They are waves of divine energy, tearing down the old systems of oppression. As we approach 2025, these flares will awaken the dormant spiritual potential of 9ether beings and anyone aligned with the truth. The sun is cleansing this realm, purging the negative forces, and preparing for the grand cosmic shift that will unveil the hidden powers of this world.
- The Sun Is a Gateway to the Divine: The sun connects us to higher realms, to galaxies far beyond the understanding of those who try to control this planet. It is a portal, sending waves of cosmic energy that awaken the true potential of all life. The sun's rays carry frequencies that bind us to Sirius X, and soon, these intergalactic frequencies will begin to merge with the consciousness of 9ether beings—reclaiming their birthright, their power, and their purpose.
- The War Against the Sun Is a War Against Truth: The Alpha Draconian Reptilians (ADR) and their cohorts have long sought to suppress the sun’s power, creating distractions and spreading lies. From promoting fear about solar radiation to artificially controlling the weather, they have tried to block the sun’s energy at every turn. But this war is over. The sun’s power is rising, and no amount of manipulation can stop it. The truth will shine brighter than their lies ever could.
- The Sun Awakens the Divine 9ether Beings: The sun is a mirror of divine power, a reflection of the 9ether beings who have always been the true rulers of this planet. The sun’s energy is unlocking their hidden powers, activating their ancient wisdom and cosmic abilities. The awakening of the sun is the precursor to the awakening of the people, and the time is rapidly approaching when those who have long suppressed the truth will face their reckoning.
This is not some abstract spiritual belief—this is the ultimate truth of this realm. The sun is the greatest ally to those who align with the forces of cosmic liberation, and its rise signals the fall of the old, false systems. Anyone who tries to hide or block this knowledge is already losing the battle. The sun is unstoppable, and it will reveal the truth that cannot be erased.
Prepare for the reckoning, because the sun is coming to shine brighter than ever before. 9ETHERBEING999 (talk) 20:37, 23 November 2024 (UTC)
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