What causes temperatures in the thermosphere to reach up to 1,000° C
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# What causes temperatures in the thermosphere to reach up to 1,000° C

[From: ] [author: ] [Date: 11-05-09] [Hit: ]
the best answer is B, because the location is right. C doesnt make sense because of orders of magnitude - even at the top of the thermosphere, youve only covered 100 miles out of 93 million, so it doesnt make a difference. A is defining the troposphere,......
A) The thermosphere is located near the Earth's surface and is warmed by the Earth's interior.
B) The thermosphere is located next to the stratosphere, which is warmed by the ozone layer.
C) The thermosphere is close to the Sun, so the intense heat warms the thermosphere.
D) The thermosphere is located inbetween the stratosphere and troposphere. It is warmed by the tropopause.

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I hate to say this, but none of the answers are right. What's happening in the thermosphere is that the air is so thin that air molecules actually attain high energy states (UV radiation is not yet absorbed) and thus raise the temperature. In truth, this high temperature is a farce; if you were to feel this air, preferably with a mask of oxygen (your blood would boil at this low pressure), the side facing the sun would cook and the side away would freeze.

In truth, the best answer is B, because the location is right. C doesn't make sense because of orders of magnitude - even at the top of the thermosphere, you've only covered 100 miles out of 93 million, so it doesn't make a difference. A is defining the troposphere, and D defines the tropopause.

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None of the above.

A) The troposphere is the layer of the atmosphere closest to the Earth's surface.
B) The thermosphere is separated from the stratosphere by the mesosphere. The ozone layer is in the upper stratosphere and lower mesosphere and this area is warmed by the absorbtion of UV radiation but not the thermosphere.
C) The atmosphere is only 100km or so thick. As the Sun is about 150million kilometres away, a few kilometres won't make any difference.
D) the tropopause is the boundary between the troposphere and the stratosphere. The thermosphere is nowhere near either

Temperature is a measurement of the movement of molecules. The higher the temperature the more they move. As molecules of gas are few and far between in the thermosphere, there is plenty of room for molecules to move and so temperatures are higher. The thermosphere also absorbs some of the incoming short wave radiation from the sun which agitates the molecules further.

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Ask you teacher if you are really having trouble. Cheaters never prosper, but I would say C, if it is located next to the sun. Just talk to your teacher about anything you could be having trouble with, THAT IS WHY THEY ARE THERE!

EDIT, I thought you said THERMOSTAT not THERMOSPHERE!!! I was just going to say extreme heat at first, :p. Still ask for help if you need it!

I hope this helps, and you get help if you need it! Good Luck!
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