physics

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What type of galaxy is the milkyway galaxy?
Spiral
1 of 5
How old is the universe?
14 billion years
2 of 5
What is the process occurring inside the sun?
Nuclear Fusion
3 of 5
What subatomic particles to radioactive materials emit?
Alpha, beta, gamma
4 of 5
How many planets are smaller than Earth in our solar system?
3
5 of 5

Other cards in this set

Card 2

Front

How old is the universe?

Back

14 billion years

Card 3

Front

What is the process occurring inside the sun?

Back

Preview of the front of card 3

Card 4

Front

What subatomic particles to radioactive materials emit?

Back

Preview of the front of card 4

Card 5

Front

How many planets are smaller than Earth in our solar system?

Back

Preview of the front of card 5

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