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38 Cards in this Set
- Front
- Back
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Our closest star...
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the sun 10-1
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How far away is the sun?
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93 million miles 10-1
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What gas is the feul for the sun?
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Hydrogen 10-1
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The brightness of a star...
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magnitude 10-1
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Some stars appear brighter because they are closer to the earth. This is called their...
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apparent magnitude 10-1
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The true brightness of a star...
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absolute magnitude 10-1
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A star's color tells us its...
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surface temperature 10-1
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Small stars are called....
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dwarfs 10-1
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The brightest stars are called...
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supergiants 10-1
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The distance light travels in a year...
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light-year 10-1
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The apparent movement in position of one star in relationship to another is known as...
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parallax 10-1
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A blue star is the _________
while red stars are the ___________ |
hottest 10-1
coolest |
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Stars that regularly change in magnitude...
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variable star 10-2
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When an exsiting star flares up and becomes brighter...
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nova 10-2
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The cloud of interstellar dust and gas around a nova...
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nebula 10-2
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The death explosion of a star...
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supernova 10-2
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When a massive star runs out of fuel, collaspses and dissapears from space, a _____________ is formed.
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black hole 10-2
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A spinning neutron star is called a...
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pulsar 10-2
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Stars that form a picture in the sky...
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constellations 10-3
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The belief that the stars control your life...
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Astrology 10-3
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The scientific study of stars...
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Astronomy 10-3
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A telescope that bends light...
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refracting 10-3
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A telescope that uses mirrors...
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reflecting 10-3
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The telescope that can see the stars without the atmosphere distorting them...
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Hubble space telescope 10-3
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Telescopes that collect radio waves...
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radio telescopes 10-3
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This breaks a star's light into all its colors...
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spectroscope 10-3
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A star group that contains only two stars...
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binary 10-4
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A star group that contains three or four stars...
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multiple star group 10-4
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A huge star system that covers many light-years of space...
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galaxy 10-4
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This cluster looks open _________ while this cluster looks like a crowded ball__________
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Open star cluster
globular star cluster 10-4 |
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Our galaxy...
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the Milky Way 10-4
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A cluster of galaxies that travel with the Milky Way...
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Local Group 10-4
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An irregularly shaped pieces of rock that usually orbit the sun...
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asteroid 10-4
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A chunk of metal or stone that is moving toward Earth's atmosphere...
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meteoroid 10-4
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A meteoroid that has entered Earth's atmosphere causing it to light up...
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meteor 10-4
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A meteor that hits the Earth...
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meteorite 10-4
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A chunk of frozen gases, water, and dust that orbits the sun...
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comet 10-4
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A famous comet that comes every 76 years...
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Halley's 10-4
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