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Re: My belief in Global Warming is getting shaky
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Originally Posted by Biochemist
The estimates that I saw for an incremental doubling of CO2 predicted a range of 2 to 4 degrees for increased absorption. It is pretty unlikely that CO2 could ever raise us another 10 degrees.
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Ten degrees is extreme. Who is predicting this?
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Most of Venus' incremental heat is because it is closer to the sun.
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Care to back this up?
Venus is HOT! Not necessarily because it's close to the sun though.
Mercury is hot, but it is closer to the sun. Venus is hot because it is close to the sun and because of its atmosphere. Proximity to the sun is not the reason that Venus arises in such discussions. Type "Venus atmosphere" in google to see.
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The enormously CO2-rich atmosphere, along with thick clouds of sulfur dioxide, generates the strongest greenhouse effect in the solar system, creating surface temperatures of over 460 °C.[21] This makes Venus's surface hotter than Mercury's which has a minimum surface temperature of -220 °C and maximum surface temperature of 420 °C, even though Venus is nearly twice Mercury's distance from the Sun and receives only 25% of Mercury's solar irradiance. Because of the lack of any moisture on Venus, there is almost no relative humidity (no more than 1%) on the surface, creating a heat index of 450 °C to 480 °C.
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Venus - Wikipedia, the free encyclopedia
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Hypography Science Forums Moderator
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"There are no passengers on Spaceship Earth. We are all crew." - Marshall McLuhan
"We must not forget that when radium was discovered no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of view of the direct usefulness of it." - Marie Curie
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