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What are the large objects that orbit the Sun?
planets
What is the number of known planets?
8
Another name for the four planets with orbits closest to the Sun
inner planets
What is the name for the four planets with orbits farthest from the Sun?
outer planets
Very small to large rocks that orbit the Sun
asteroids
Which two planets is the asteroid belt between?
Mars and Jupiter
What is the name for the large planets with surfaces made of gases?
gas giants
This object is made of dust, small rock, ice, and other frozen gases.
comet
Chunks of small rocky, metallic, or icy objects from asteroids or comets
meteroids
Meteoroids that enter the Earth's atmosphere and become hot enough to glow are called what?
Meteors
A meteor that reaches Earth is called a
meteorite
What is the name for the bowl-shape dent that is caused when a meteor hits the ground?
crater
What is the 1st planets from the Sun?
Mercury
What is the 2nd planet from the Sun?
Venus
What is the 3rd planet from the Sun?
Earth
What is the 4th planet from the Sun?
Mars
