Question

what is a comet? Does it always have a tail?
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Answer 1

Answer:

A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. Most comets have two tails. The tails appear as the comet approaches the Sun. ... Because the comet dust particles are so small, they are pushed away from the Sun into a long tail. Another tail is made of electrically charged molecules of gas (called ions).

Explanation:

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Answer 2

Answer:

Most comets have two tails. The tails appear as the comet approaches the Sun. Sunlight pushes on things, but very gently. Because the comet dust particles are so small, they are pushed away from the Sun into a long tail.

Explanation: