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20 Cards in this Set
- Front
- Back
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What is a Nebula?
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A cloud of dust and gas in space.
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What is a protostar?
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A nebula which has started to glow.
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What is the adult form of a star?
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The Main Sequence Stage
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How does a Main Sequence star produce energy?
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Thermonuclear Fusion of Hydrogen
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Which stars are hotter, blue or red?
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Blue.
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What type of star is our sun?
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Yellow Main Sequence Star
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Approximately how long will a main sequence star like our sun "burn" hydrogen before it runs out of fuel?
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10 billion years
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Which color of stars are the hottest?
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blue/white
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Which color of stars are the coolest?
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red
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What is the surface temperature of a blue/white star?
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100,000
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What is a supernova?
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A large explosion that destroys a star at the end of its life.
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What is a white dwarf?
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A small, dense,
earth sized star. |
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How much would one teaspoon of white dwarf weigh?
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one ton
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What is a neutron star?
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A small star star, one or two miles in diamter.
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What types of stars experience a supernova?
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Stars at least twice as big as our sun.
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Why is a black dwarf black?
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It is cold
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What type of star has the strongest gravity?
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black hole
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What type of star has the second strongest gravity?
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neutron star
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Who is the weirdest kid ever?
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You choose
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What's another name for a neutron star?
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pulsar
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