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The universe is believed to have originated from a single point of energy. The origin of the universe is known as the Big Bang. 

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The Galaxy present in the universe is known as Akashganga in Hindi, apart from this the Sanskrit name of the Galaxy is Mandakani 

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The gravity of a black hole is so strong that not even a single ray of light can penetrate it. 

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Space suits worn by astronauts in space cost around $12 million or more. 

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Earth is a very small part of the universe, if we compare it with the Sun, 1.3 million Earth-like planets can fit inside the Sun. 

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Humans do not sweat in space, because the gravity present in space does not allow the drops of sweat and tears to come out. 

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The distance between planets and stars in the universe is so great that it becomes very difficult to measure this distance in kilometers. 

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U.V.scuti is by far the largest star in the universe. This star is 1700 times bigger than the Sun. 

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The closest star to Earth is Proxima Centauri. However, Proxima Centauri is the second star closest to the Earth. 

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The Milky Way can be counted in 2000 thousand years. From this it can be estimated that how big is the Milky Way in the universe.