Subject:
Environmental SciencesAuthor:
león82Created:
1 year agoAnswer:
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.
Author:
ladislaodavidson
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