Answer:
Comets: Comets are dirty space snowballs of mostly ice and dust that formed during the birth of the solar system 4.6 billion years ago. Meteoroids, Meteors, Meteorites: Meteoroids are tiny asteroids or the broken-off crumbs of comets and sometimes planets.
Yet despite their apparent differences, there are similarities between them. Both are relatively small objects that have their origins in interplanetary space, orbiting the sun. A few meteorites may actually be fragments of comets, although such fragments are more likely to burn up as meteors in the upper atmosphere.
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