GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The tail of a comet if made of
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gases
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pieces of rock
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The tail consists of gas and dust that can extend hundreds of millions of kilometers away from the coma. Most comets actually have 2 tails: a plasma tail made of ionized gas, and a dust tail made of small solid particles. Comet tails point away from the Sun.
Detailed explanation-2: -Comets usually have two tails-a dust and an ion tail. The ion tail is made of ionized gas.
Detailed explanation-3: -In particular, the dominant CO+ molecule absorbs sunlight which it then re-emits at a wavelength of 4, 200 angstroms as it de-excites. For this reason, ion tails tend to be blue in color.
There is 1 question to complete.