Asteroids
Does the Asteroid belt revolve around the sun?
Yes
A meteorite is...
Has struck earths surface
Comets heat up as they near the Sun, creating two tails:
Dust tail and Ion tail
Where do all stars start as?
Nebula
When a small star fuses carbon, the core__________ creating __________
collapses, planetary nebula
Many asteroids orbit around the sun in the _____ and _____.
Asteroid belt, Kuiper belt
A meteoroid is....
a small rocky body traveling in space
What causes comets to develop two tails?
When it gets close to the sun
What sequence is our star in?
Main sequence
When a small star begins to fuse helium, its outer layers expand into...
Red giant
Sizes of asteroids range from _____ - _____ across!
1 meter, 1000 km
A meteor is....
Moving through our atmosphere and heating up
What do comets look like?
Dirty or dusty snowballs with tails
What phase is after planetary nebula?
White dwarf
What causes Supernovas to explode?
Iron
Where is the Asteroid belt located in our solar system?
Between the orbits of Mars and Jupiter
Most meteoroids are _____ of asteroids or comets.
fragments
Comets originate from the cold ___________ and __________ and they travel along _____________ orbits around the sun.
oort cloud, kuiper belt, elongated elliptical
What determines how long a star will last?
Hydrogen
Stars are formed in an interstellar clouds of dust called...
nebula
What are asteroids made of?
Dust, metal, and rock
Meteoroids are any _____ or _____ ___ in space.
rocky, metallic body
Comets are made up of ____, _____, _____, and _____.
frozen gasses, rock, ice, and dust
How do Red Giants become Planetary Nebula?
When helium starts to fuse into larger elements.
Gases in a nebulae______ and start to spin flattening into a disk
contract