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Astronomy and Cosmology
Astronomy and Astrophysics
(See image) At what distance does the temperature of the Corona decline?
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[QUOTE="davenn, post: 6525702, member: 283516"] it drops again quickly with distance from the sun Of course not, else everything in interplanetary space would be toasted to a crisp, including everything in orbit around the Earth. Even in the near proximity of the Sun, the Corona is very tenuous, (thin) it's about 0.0000000001 times that of the Earth's sea-level atmosphere, says one report from NASA ([URL]https://imagine.gsfc.nasa.gov/science/objects/sun1.html[/URL]) The temperature of an object in space in sunlight is 394 K. Keep in mind that the majority of "heat" transferred from the Sun is radiative, that is IR radiation. The solar wind is just too thin to transfer heat by conduction or convection. The temperature in space in the shadow of a planet/moon is approx. 2.73 K (-270.42 Celsius), just above abs. zero. That being the temperature of the CMB ( Cosmic Microwave Background).Dave [/QUOTE]
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Astronomy and Cosmology
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(See image) At what distance does the temperature of the Corona decline?
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