GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A meteoroid is composed of dust, rock particles, and frozen gases and has a nucleus, coma, and tail.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The nucleus is a solid body typically a few kilometres in diameter and made up of a mixture of volatile ices (predominantly water ice) and silicate and organic dust particles. The coma is the freely escaping atmosphere… In comet: Cometary nuclei. …of materials then forms the cometary coma, the comet’s atmosphere.

Detailed explanation-2: -The coma is a cloud of gases that surrounds the nucleus of a comet. In some comets, a cloud of hydrogen gas surrounds the coma. This hydrogen cloud may be as big as 3 million kilometers (about 2 million miles) across.

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