Compared with the coma,or the visible fuzzy ball,of a comet 10⁶ km in diameter,the diameter of the nucleus of the comet is:
A) about 1/100, or 10,000 km.
B) about the size of the largest asteroid, 1/1000, or 1000 km.
C) extremely small, 1/10⁸, or 10 m.
D) very small, about 1/10⁵, or 10 km.
Correct Answer:
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