T10T1 According to the argument in the text, Moon\'s T average surface (since it
ID: 284514 • Letter: T
Question
T10T1 According to the argument in the text, Moon's T average surface (since it has no atmosphere and is the same distance from the sun as the earth) should also be 255 K, or it would be if all points on its surface had the same temperature (and the Moon has the same average reflectance as the earth). But the Moon rotates very slowly relative to the sun (once a month) and has no atmosphere or ocean to redistribute energy differences. How do you think that these facts might affect the Moon's average tem perature? Hint: Suppose that h the moon was 100 K hot- ter and the other was 100 K colder than the average. Would it still radiate as much energy as it would if its surface area were all at the same temperature?) A. The average should be less than 255 K. B. The average should be more than 2 K. C. The average should be the same: the energy flowing in must still balance the energy flowing out.Explanation / Answer
In the given question, the right answer should be A.
The average of the temperature on moon would be v less and the moon must be very cold. This is because due to the lack of atmosphere, the heat recieved by half of the moon would be reflected back instantly. And the other half is already cold due to night time.
Also, 255K temperature is expected only when all the points on moon had the same temperature. Since this isnt the case, and infact there isn't any distribution of energies taking place (because of lack of atmosphere and very slow rotation of moon). Thus the average temperature would be extremely low.
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