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Download Light year The distance light travels in one year Nebula A cloud of
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Transcript
Science Chapter 16 Light year The distance light travels in one year Nebula A cloud of gas and dust where a new star is formed Supernova An explosion that is billions times brighter than a star Black hole A point in space with gravitational field so strong not even light can escape Galaxy A huge system of stars, dust, and gas held together by gravity Constellation A group of stars that forms a pattern Galileo Galilei First person to use a telescope in astronomy Science Chapter 16 Red Giant A very old star that has expanded and cooled as its fuel begins to run out White Dwarf A very small dying star that gives off very little light Isaac Newton Developed the reflecting telescope
