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Comets and asteroids are made of chunks of space rocks and dust. Meteorites are space rocks that are captured by the earth's gravity and fall to earth.
Beacuse asteroids are chunks of solid rock - Comets are primarily lumps of ice - which melts as it nears the sun !
Comets
Usually comets are icy as that is why you see the icy trail, but asteroids can be icy too.
comets and asteroids
comets and asteroids
Comets : mostly ice & are often in very distant elliptical orbits. Meteoroids and asteroids are usually rocky and/or metallic, asteroids are found in the asteroid belt (between Mars & Jupiter).
Comets are Comets and Asteroids are Asteroids
Some comets are made of ice and dust.
Reflectors: Comets, asteroids, planets Emitters: The sun, meteors, stars The sun is a star.
asteroids and comets
Impacts from space objects (i.e. asteroids, comets, and meteors).