Module P1

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How many planets are in the solar system?
There are 8 planets. The inner planets and outer planets orbiting the sun in ellipses
1 of 5
Other than planets, name three things that orbit the sun?
Dwarf planets, comets and dust
2 of 5
Approximately how old is the solar system?
5 thousand million years old
3 of 5
What is the source of the Sun's energy?
Hydrogen nuclei
4 of 5
What are comets made of?
Rock,dust and ice
5 of 5

Other cards in this set

Card 2

Front

Other than planets, name three things that orbit the sun?

Back

Dwarf planets, comets and dust

Card 3

Front

Approximately how old is the solar system?

Back

Preview of the front of card 3

Card 4

Front

What is the source of the Sun's energy?

Back

Preview of the front of card 4

Card 5

Front

What are comets made of?

Back

Preview of the front of card 5

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