What is a comet?

a. An icy object that gravity or a collision pushes close to the Sun.

b. A small bit of rock debris floating through space.

c. An object that has a clear orbit around the Sun but is not a satellite.

d. A moon that ran away.​


Sagot :

Answer:

a.  An icy object that gravity or a collision pushes close to the Sun.

Explanation:

Comets are cosmic snowballs of frozen gases, rock and dust that orbit the Sun. ... When frozen, they are the size of a small town. When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets.

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