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Transcript 
Space Debris: Planet Building Blocks
• The solar system is littered with three kinds
contains four kinds of space debris (officially
known as minor bodies):
•
•
•
•
Asteroids,
Comets, and
Meteoroids
Planetoids (dwarf planets) like Pluto, Eris,
Sedna, Quaoar and other large, round bodies
• Although these objects represent a tiny fraction of the
mass of the system, they are a rich source of
information about the origin of the planets.
24
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