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7 Cards in this Set
- Front
- Back
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white dwarf
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what an average-sized star becomes at the end of its life
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nebula
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a huge cloud of gas or dust in space
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protostar
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the earliest stage in a star's life
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supernova
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an explosion that occurs at the end of a star's life
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neutron star
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formed from the leftover material after a giant star explodes, with 3 times the mass of the sun, but only about 20 km
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black hole
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exerts such a stronf gravitational pull that no electromagnetic radiation can escape
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black dwarf
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a theoretical astronomical object, constituting the remains of a Sun-sized star which has fused all of its original hydrogen and helium fuel to heavier elements such as carbon, oxygen and nitrogen and subsequently lost its remaining energy due to radiation.
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