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10 Cards in this Set
- Front
- Back
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What element: __________ is 75% of the universe, _______ is 23%
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Hydrogen is 75, Helium 23%
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Something that ABSORBS light and radiates energy.
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Blackbody
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Anything that has a temperature _____.
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Glows
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The "Blackbody Curve" is given by what law?
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Plank's Law
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If you double the temp, you cut the Peak wavelength by how much?
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In half
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What law says where the Peak Wavelength is?
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Wiens
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The law that relates to INCREASING temperature of a blackbody and the rate which it RADIATES energy?
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Stefan-Boltzman law
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If you double the temp, than there is __ times more energy coming off the surface.
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16x
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How bright a star is depends on:
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How hot it is.
How Large it is. How Far away it is. |
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What diagram do we use to plot the absolute magnitude?
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HR Diagram
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