Galaxy - A collection of stars, gas, and dust that is held together by gravity, Elliptical Galaxy, Irregular Galaxy, Spiral Galaxy, Nebula - Location where new stars are born, Planet - An object that orbits a star and large enough to have gravity, What is a system made of billions of stars, gas, and dust and held together by gravity? - galaxy, Which of these describes the sun? - main sequence, Where stars are born? - nebula, Our star will end its life as a - black dwarf, stars give off light through the process of ? - Nuclear Fusion,

Components of the Universe

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