planets
meteors
stars
comets
solar system
200

what keeps the planets in orbit.

gravity

200

what is a meteors name when it hits earth

meteorite

200

Why are the stars so small?

They are far away from us.

200

what is the middle of the comet

coma

200

how many planets are there

8

400

what is the fourth planet from the sun.

Mars

400

where does a meteoroid come from

an astroid

400

whats the hottest star?

Blue ones.

400

what is a comets back name

tail

400

how many inner planets are there

4

600

what are all of the outer planets known as

gas giants

600

what does a meteor hit.

earths atmosphere.

600

how many stars are in the solar system?

1

600

whats the top of a comets name

ice layer

600

what is pluto

an astroid

800

whats in the middle of mars and jupiter?

astroid belt

800

what happens to a meteoroid.

it burns up

800

what size is the sun.

average

800

what burns up on a comet

its ice

800

is pluto a planet

no its a dwarf planet

1000

why is venus hotter then mercury. 

mercury is faster then venus.

1000

what does a meteorite leave when it hits earth

a crater

1000

what is the biggest size of a star

supergaint

1000

what regenarates on a comet

ice

1000

how many stars are in our galaxy

one billion

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