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8 Cards in this Set
- Front
- Back
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Elliptical galaxy |
A galaxy shaped like a round or flattened ball,generally containing only old stars. |
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Irregular galaxy |
A galaxy that does not have a regular shape. |
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Spiral galaxy |
A galaxy with a bulge in the middle and arms that spiral outward in a pinwheel patter. |
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Galaxy |
A huge group of single stars,star systems,star clusters,dust,and gas bound together by gravity. |
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Quasar |
An enormously bright,distant galaxy with a giant black hole at its center. |
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Scientific notation |
A mathematical method of writing numbers using powers of ten. |
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Universe |
All of space and everything in it. |
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(21.5 how the universe formed)
Big Bang |
The initial explosion that resulted in the formation and expansion of the universe. |
