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What are asteroids mainly made of?
Rock
Where is the asteroid belt located?
Between Mars and Jupiter
What type of object is Pluto classified as?
Dwarf planet
What are comets mainly made of?
Ice and dust
What force holds galaxies together?
Gravity
What do comets form when they get close to the Sun?
A tail
What causes a comet's tail to form?
Heat from the Sun causing gas and dust to escape
What is a galaxy?
A huge group of stars held together by gravity
What is the name of our galaxy?
The Milky Way
What type of object is an asteroid?
A rocky object in space
Where are most asteroids found?
In the asteroid belt
What does the universe contain billions of?
Galaxies
Is the universe expanding or shrinking?
Expanding
Do comets travel in short or long orbits around the Sun?
Long orbits
Name one object in the Solar System besides planets
Asteroids or comets or dwarf planets
