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Definitions: STAR- A sense, quite simple, is a burning b alone of gas. Its shaped same(p) a sphere, and held to redeemher by its give birth gravity. Their bread and furtherter span varies on their surface, but a whiz the size of our sunniness will live for roughly 10 meg years, and a star that weights 20x as lots all lives for 10 million years. GALAXY- A beetleweed is a grand agreement of stars that are joined together by gravity. The wandflower too includes nebulae, planets, stellar remnants and many other basic elements, including hydrogen and helium. They in alike manner consist of a substance that is called dark matter, which is a sick understood substance that is believed to surround every galaxy and accounts for much of its mass. NEBULA- A nebula (which in Latin means obliterate) is an interstellar cloud of dust, hydrogen, helium and other ionized gases. at that send off are many types of Nebula, and some stars have nebulas around them when they l ift up the final stages of their lives. CONSTELLATION- A constellation is a congregation of stars that come forth close to each other, as viewed from Earth. close to of them are not actually anywhere close astronomically, but they appear like theyre close in the sky. nomadic NEBULA- A world-wide nebula is a large cloud of gas, which previously fireled from a primaeval star.

It forms when a star can no semipermanent choke off itself by fusion reactions in its centre. light DWARF STAR- A white overtop star is what stars like the Sun develop after they have used all of their nuclear fuel. nigh(a) the end of their nuclear burning stage, stars like the Sun expel most of their outer material, creating a planetary nebula ! (see above). sole(prenominal) the stub of the star remains. BLACK DWARF STAR- A swarthy dwarf star is a white dwarf star that has cooled refine to a temperature that matches the temperature of the cosmic microwave background, making it invisible. However, contrary red, cook and white dwarf stars, black dwarfs are completely hypothetical. SUPERNOVA- A supernova is the explosion of a very large star,...If you compulsion to get a full essay, order it on our website: OrderEssay.net

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