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1 vote

How is Halley's comet still in one piece?

Comets are extremely volatile because mostly they consist of ice and dust, once they reach the perihelion i.e closest point to the Sun in an orbit around the Sun they sublimate forming the Coma and ...
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31 votes

How is Halley's comet still in one piece?

The basic answer to your question though is that Halley's comet is unlikely to be very old (in the sense that it has not spent a large amount of time orbiting the Sun as closely as it does now). Most ...
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8 votes

How is Halley's comet still in one piece?

Comets can be fairly large initially, multiple kilometers across. However, just as parrots become ex-parrots, comets eventually become ex-comets. They shed volatiles, sometimes shed pieces, and yet ...
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