Why Are Comets Important?
They
are the oldest, most primitive bodies in the solar
system.
They
are remnants preserved from the earliest days of sun, star
and planet formation.
They
contain volatile, light, organically rich elements
and may provide clues about the building blocks of our solar system.
The
impact of a large comet could cause major changes in the climate
of a planet or a moon. They may even have caused the extinction
of dinosaurs.
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