write about galaxy in 50 to 100 Words
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hlo dear.......❤
Our galaxy, The Milky Way, is composed of billion of stars of all ages, sizes and masses. A common stars, like our Sun, constantly gives out small amounts of X-ray radiation, and larger burst of X-rays during a solar flare. Along with our Sun, stars shine as a result of nuclear reaction that happens deep within their core. Causing chemical reactions that converts light elements into heavier ones and while releasing energy in the process. Energy from the central region provides pressure to keep the star from falling apart under its own weight. The contracting cloud is then called a protostar. A protostar is the earliest stage of a star’s life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts. Once a star has “turned on” it is known as a main sequence star. When a main sequence star begins to run out of hydrogen fuel, the star becomes a red giant or a red supergiant.
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@saba
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