Compared with the Coma, or the Visible Fuzzy Ball, of a Comet

question 179

Multiple Choice

Compared with the coma, or the visible fuzzy ball, of a comet 10⁶ km in diameter, the diameter of the nucleus of a typical 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.

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