4. How big are most comets?
The nuclei of comets can range between 1 and 15 kilometres while their comas can be as large as 100 000 kilometres. Thus, comets can be as large as about 8-10 times the diameter of the Earth.
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| Comet Halley |
4. How big are most comets? The nuclei of comets can range between 1 and 15 kilometres while their comas can be as large as 100 000 kilometres. Thus, comets can be as large as about 8-10 times the diameter of the Earth.
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