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