final review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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What diagram shows the absolute magnitude (or luminosity) versus the temperature of stars? | Hertzsprung-Russell Diagram (H-R)
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What technique finds distance by comparing the positions of stars as earth orbits the sun? | Parallax Method
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What technique finds distance by measuring brightness? | Standard-Candles Method
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What is luminosity? | The amount of energy radiated by the body in one second
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What do astronomers use to find the luminosity of stars? | Stefan-Boltzmann Law
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What is Apparent magnitude? | How bright a stars appears to us in the sky
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What is absolute magnitude? | How bright the star would be at a distance of 10 parsecs from us
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Lower the number on Hipparchus' scale means what? | Star is brighter
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Higher the number on Hipparchus' scale means what? | Star is dimmer
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What is the magnitude of the sun? | -26.5
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A star color reveals its surface temperature is a statement from what? | Wien's Law
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The strip on the H-R diagram that contains most stars | Main Sequence stars
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What are binary stars? | A system in which two stars are in gravitationally bound orbits about their common center of mass
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Final stage of lower mass star? | White dwarf
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Created by:
pdoss94
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