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8 Cards in this Set
- Front
- Back
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Big Bang Theory
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The theory that all matter and energy in the universe was compressed into extremely small volume that 13 billion to 15 billion years ago exploded and began expanding.
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Galaxy
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A collection of stars, dust, and gas bound together by gravity.
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Milky Way
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A spiral galaxy that we live in.
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Light Year
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The distance light travels in a year.
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Prominance
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A loop of relatively cool incandescent gas that extends above the photosphere.
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Solar Nebula
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A rotating cloud of gas and dust from which the sun and planets formed.
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Corona
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Layer of the suns atmosphere.
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Supernova
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The explosion of a star.
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