Asteroids Found between Mars and Jupiter. Asteroids.
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Transcript of Asteroids Found between Mars and Jupiter. Asteroids.
Asteroids
Found between Mars and Jupiter.
Asteroids
Over 100,000 asteroids.Vesta is the largest – 330 miles in diameter.Size range – 330 miles to about 100 yards.Irregular-shaped rocky bodies.Some asteroids have moon(s).
Asteroid Facts
Asteroids and Meteorites.
How Are Asteroids, Comets and Meteors Different?
Dawn’s Virtual Flight Over the Asteroid Vesta.
Comets
Are made of ices and rocky material.
Are called “dirty snowballs” or “icy
dirtballs.”Comets are made up of three parts.
Comets
Nucleus – Made of ices –
water, dry ice, ammonia as well as
dirt and rocks.
Comets
Coma- Vaporizing (turning from solid to gas) gases surrounding nucleus.
Comets
Comets
Tail – gas and dust pushed away from comet by “solar wind.” Always points away from the Sun.
From where do they come?
Comets
• The Kuiper Belt
• The Oort Cloud
The Kuiper Belt is found beyond the orbit of
Neptune to 12 billion miles from the Sun.
Comets
Oort Cloud is about one light year from the Sun.
Comets
Comets
Comets
What Are Comets?
Kuiper Belt
Oort Cloud
Meteoroid, Meteor,
Meteorite
These are made of rocks and dirt.A meteoroid is when the
rocks or dirt are in outer space.
Meteoroid, Meteor,
Meteorite
A meteor is when the rock enters the atmosphere.
Meteoroid, Meteor,
Meteorite
It is also known as a “shooting star.”
Meteoroid, Meteor,
Meteorite
A meteorite is when the rock hits the Earth.
Meteoroid, Meteor,
Meteorite
Meteoroids, Meteors, and Meteorites
.
Meteoroid, Meteor,
Meteorite
Ten Biggest Meteor Strikes in History
Russian Meteor
The presentation ends here.