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