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29 Cards in this Set
- Front
- Back
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What is it called when a massive star runs out of fuel, collapses, and disappears from space
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a black hole
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What do scientist call the death explosion of a massive star
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supernova
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What is a cloud of dust, gases, and debris called
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nebula
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What is a neutron star that spins rapidly on its axis
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pulsar
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What are stars the regularly change in magnitude called
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variable stars
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What is it called when an existing star flares up and becomes brighter than normal
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nova
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What are the largest and brightest stars called
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Supergiants
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What is the measurement of a star's apparent movement over time called
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parallax
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What is the brightness of a star called
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magnitude
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What is a group of stars that form a picture called
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constellations
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Stars are
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glowing balls of gases
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Blue stars are the
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hottest
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What is the closest star to Earth
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The Sun
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Our galaxy travels in a group with more than
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thirty other galaxies and is called Local Group
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Do stars reflect light?
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NO
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asteroid
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made of irregularly shaped pieces of rock, metal, and dust
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contains two stars
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binary system
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contains 3-4 stars
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multiple star group
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a huge star system that covers many light-years of space
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galaxy
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a chunk of frozen gases, water, and dust that orbits the Sun
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comet
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Which galaxy do we live in
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Milky Way
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The study of stars is called
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astronomy
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what is apparent magnitude
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how bright a star appears to us
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what is absolute magnitude
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how bright a star really is
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When does a meteoroid become a meteorite
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when it passes through the Earth's atmosphere and lands on earth
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What is astrology
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a study of the stars to get guidance
It is wrong |
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globular clusters form a
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ball
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open star clusters
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have fewer stars and no particular shape
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When is a meteroid called a meteor
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When it lights up as it passes through Earth's atmosphere
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