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Stars2

6th Grade Science

QuestionAnswer
constellation groups of stars that appear to form pictures and make stars easier to find
circumpolar constellation constellations that appear to be traveling around Polaris
astrology the belief that stars control mans destiny
astronomy the scientific study of stars
refracting telescope a telescope that uses only lenses to make objects appear larger
reflecting telescope a telescope that uses lenses and mirrors to make objects appear larger
radio telescope a telescope that collects radio waves from space
spectroscope a device that breaks down light into all of its colors; similar to a prism
meteor a meteor that lights up because of friction as it moves through earths atmosphere
meteorite a meteor that does not burn up in the earths atmosphere and impacts the earths surface
meteoroid a chunk of metal or stone that is moving towards earths atmosphere
redshift if an object is moving away from earth, its color spectrum moves more toward the red end
comet an icy chunk of frozen gases, water, and dust that continually orbits the sun
binary system a star group containing two stars that revolve around each other
multiple star group a small star group of three or more stars
open star cluster a group of several hundred to thousands of stars with no particular arrangement
globular cluster a group of several thousand to a million stars that are close to each other and arranged in the shape of a ball
galaxy a huge star system that contains millions to billions of stars and covers many light years of space
Local Group a cluster of galaxies including the milky way that travel together in space
asteroid an irregularly shaped ball of rocks, metal, and dust
Created by: lucybelle
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