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10 Cards in this Set
- Front
- Back
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All the matter in the universe was once..... |
compacted into a dense sphere |
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The hypothesis which best explains our evolving universe is called the.... |
Big Bang |
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How does a galaxy form? |
Large amounts of matter clump together under the influence of gravity. |
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The movement of the galaxies and the expansion of universe was first described by... |
Edwin Hubble |
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Even though the universe is expanding, this motion is limited to.... |
the empty space |
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Perlmutter and Filippenko recently discovered that the expansion of the universe.... |
is accelerating |
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The changing speed of the universe is believed to be caused by an influx of..... |
dark energy |
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The center of the universe is believed to lie in a 4th dimension called... |
hyperspace |
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What type of galaxy is the Milkyway? |
Spiral |
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What is the current overall average temperature of the universe? |
2.75k |
