Relier Pairs Galaxy Universe Review Version en ligne Galaxy, Universe, Components of Universe Review par Andrea Soliz 1 Irregular Galaxy 2 Galaxy 3 blue shift 4 Elliptical Galaxy 5 Nebula 6 light year 7 star 8 Big Bang Theory 9 Spiral Galaxy 10 red shift the concept that an object is moving further away A system of billions of stars with dust and gas. a hot ball of gas that burn elements like hydrogen and helium through the process of nuclear fusion. the concept that an object is moving closer and closer. cloud of gas and dust in space that forms stars or is formed by the death of a star. The theory that our universe, which was once a small, dense ball of energy, exploded and expanded to create the universe we know today. the distance a single beam of light travels in one year. The unit of measurement used to measure the distance of objects in outer space.
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