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Asteroids, Comets,
and Meteors
Review
Asteroids
Composition (what
are they made of?
Asteroids are rocky
worlds.
Asteroids
Where are asteroids
found?
Most asteroids orbit the
Sun between Mars and
Jupiter.
Asteroids
What are their
shapes?
Asteroids are
irregularly shaped.
Asteroids
Asteroids
Dawn’s Virtual Flight Over the
Asteroid Vesta.
Comets
Composition (what
are they made of?
Water ice, dry ice,
rocks, dirt, & gas (a
dirty snowball)
Comets
From where do comets
start their journey to the
Sun?
Orbiting the Sun in the
Oort Cloud or Kuiper Belt
Comets
Kuiper Belt beyond orbit of Neptune to
10,000,000,000 miles
Oort Cloud (6, 000,000,000 miles from Earth!)
Comets
Parts of a comet.
Comets
Bright 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!