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13 Cards in this Set
- Front
- Back
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Nebula
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large cloud of gas and dust
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Protostar
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a contracting cloud of gas and dust with enough mass to form a star
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Nuclear Fusion
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contracting gas and dust from a nebula becomes so dense and hot; Hydrogen ==> Helium
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Planetary Nebula
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glowing cloud of gas that comes from a planet
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Supernova
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A supergiant explosion causes this
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Binary stars
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star systems with two starts
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Eclipsing Binaries
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when one star periodically blocks the light from another star
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Neutron Star
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remains of high-mass stars
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Black holes
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an object with gravity so strong that nothing can escape, not even light
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Comets
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loose collections of ice, dust, and small rocky particles
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Asteroids
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revolve around the sun between the orbits of Mars and Jupiter
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Galaxy
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a huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
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Quasars
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active, young galaxies with giant black holes
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