Venus temperature

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20 years 1 week ago #11923 by jacques
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Here is something that might interess you:
www.spacedaily.com/news/earth-03k.html

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20 years 1 week ago #11887 by Jim
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You guys are finding some great links about the geothermal flux. The data is being poorly modeled as far as I'm able to tell by authors misusing the facts to suit the model they seem to like most. It seems odd to me everyone seems to think the atmosphere warms the Earth and not the Earth warms the atmosphere. I think the Earth warms the air, water and land the makesup the crust. The geothermal flux flows from the mantle to the surface doesn't it?

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20 years 1 week ago #11888 by EBTX
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Yes, it's thermodynamically impossible for there to be a heat transfer from the air to the mantle for even short time periods as the mantle is very much hotter than the air.

The air might heat the land at night but this is just a temporary surface phenomena. Maybe that's what they're talking about.

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20 years 6 days ago #11924 by GD
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The point I have been trying to make is the temperature for both the Earth's atmosphere and it's interior is increasing.
I believe the sun's energy output is also increasing. This is no coincidence, and I think it is because of the position (therefore acceleration) of the solar system in the galaxy.
I do not see anything else that could "control" the atom's energy level.

The Earth has only a "fever" compared to the "heat stroke" of the 50 MYA event discussed in another thread.
(I am assuming high levels of methane in the atmosphere = warmer temperatures)

We can deduce that the temperature of both the atmosphere on Venus and its interior is also increasing.

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20 years 5 days ago #12257 by GD
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I found an interesting paper on probable causes why Venus lacks a magnetic field and evolution of Venus heat flow through time, suggesting amongst other things that temperature has increased.

What struck me the most is the 500 MYA mark which seems to have been a time of change for Earth as well.

www2.ess.ucla.edu/~nimmo/website/paper25.pdf

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20 years 5 days ago #11890 by Jim
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This is off the topic but the magnetic field could be related to the fact Earth is spinning and Venus is not. As to the temperature of Earth-that has not changed in 4 billion years. The surface temperature swings back and forth for sure. This is a result of a lot of causes not just greenhouse gas. But the mantle generates energy somehow to keep its internal temperature more or less constant. The models now in popular use by science are way off wacky. Maybe there is some kind of high temperature reactor unknown to science that can generate energy from silicon and iron. The fission of silicon should produce carbon and helium. I know that would require a discovery of a new kind of reaction.

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