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Asteroids, Comets, and Meteors
Review
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AsteroidsComposition (what are
they made of?
Asteroids are rocky worlds.
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AsteroidsWhere are asteroids
found?Most asteroids orbit the Sun between Mars and
Jupiter.
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AsteroidsWhat are their
shapes?
Asteroids are irregularly shaped.
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Asteroids
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Asteroids
Dawn’s Virtual Flight Over the Asteroid Vesta.
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CometsComposition (what are
they made of?
Water ice, dry ice, rocks, dirt, & gas (a
dirty snowball)
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CometsFrom where do comets
start their journey to the Sun?
Orbiting the Sun in the Oort Cloud or Kuiper Belt
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CometsKuiper Belt beyond orbit of Neptune to
10,000,000,000 miles
Oort Cloud (6, 000,000,000 miles from Earth!)
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CometsParts of a comet.
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CometsBright Tails, Black Hearts: Exploration of Comets.
Comet Hale-Bopp.
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Meteoroids, Meteors, Meteorites
Composition (what are they made of?
Iron & Rocks
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Meteoroids, Meteors, Meteorites
Where are they found?
Orbiting the Sun throughout the Solar
System
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Meteoroids, Meteors, Meteorites
What is a meteoroid?
This is what it is called when it is in outer
space.
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Meteoroids, Meteors, Meteorites
What is a meteor?
It is when the rock or dirt is traveling through the
atmosphere.
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Meteoroids, Meteors, Meteorites
What is a meteor?
It makes a streak in the sky that lasts a couple
of seconds.
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Meteoroids, Meteors, Meteorites
What is a meteor?
It is also called a “shooting
star.”
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Meteoroids, Meteors, Meteorites
What is a meteorite?
It is when the rock hits
the Earth.
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Meteoroids, Meteors, Meteorites
What is a meteorite?If it’s large enough, it can make a
crater.
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Meteoroids, Meteors, Meteorites
Spaced Out!