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6 Cards in this Set
- Front
- Back
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Big Bang Theory
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_____states that the universe was fromed by the explosion of very dense and hot matter that was compacted into the space smaller then an atom.
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Doppler Shifts
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_____ use light emitted from objects in the universe to determine if they are moving toward us (blue shift) or aaway (red shift).
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Red Shift
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A _____ (toward the red end of the light spectrum) indicates a star is moving away from the earth.
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Nebula
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The solar system formed from a cloud of dust, hydrogen and helium gas called a _____.
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Spiral Galaxy
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Our galaxy, The Milky Way, is a _____. Our sun resides in one of the spiral arms.
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Hertsprung-Russell Diagram
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The__________ shows the life cycle of stars based on luminosity and temperature.
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