Astrophysics

What is the first form of a star?
A Nebula, a cloud of dust and gas
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What is the second form of a star?
A Protostar, a hot ball of Hydrogen Nuclei
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What is the third form of a star?
Main Sequence Star, our current sun
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If a sequence Star is bigger than our sun, what does it become?
Red Super Giant
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If a sequence star is the same size as the sun, what does it become?
Red Giant
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After a red giant, what does a star become?`
White Dwarf
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What does a red super giant become?
A Supernova
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After a supernova, what can the star become?
A black hole or a neutron star
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After a white dwarf,what does the star become?
Black Dwarf
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What is the definition of a planet?
Large objects that orbit a star
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What is the definition of a dwarf planet?
Planet like objects that orbit a star but don't classify as a planet.
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What is the defintion of a moon?
A ball of rock that orbits a planet, natural satellite
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What is an artificial satellite?
A man made satellite
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What is the doppler effect?
When a source moves towards an observer, the observed wavelength decreases and the frequency increases. When the observed wavelength increases the frequency decreases.
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What is dark matter?
Energy that holds the universe together but doesn't emit any Electromagnetic radiation
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Other cards in this set

Card 2

Front

What is the second form of a star?

Back

A Protostar, a hot ball of Hydrogen Nuclei

Card 3

Front

What is the third form of a star?

Back

Preview of the front of card 3

Card 4

Front

If a sequence Star is bigger than our sun, what does it become?

Back

Preview of the front of card 4

Card 5

Front

If a sequence star is the same size as the sun, what does it become?

Back

Preview of the front of card 5
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