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The main body of a comet is made up of ice, methane, ammonia, and/ or dust.
Comets have long,
narrow
,
elliptical orbits
that cause them to cross paths with other objects in the
Solar System
.
Home
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Dwarf Planets
Moons
Asteriods
Comets
Meteriods, meteors, and meteorites