A galaxy is a massive, gravitationally bound system of stars, gas, dust, and dark matter that typically consists of hundreds of billions of stars and spans tens of thousands of light-years. The Milky Way, the galaxy that our solar system is part of, is just one example of the many types of galaxies that exist in the observable universe
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A galaxy is a massive, gravitationally bound system of stars, gas, dust, and dark matter that typically consists of hundreds of billions of stars and spans tens of thousands of light-years. The Milky Way, the galaxy that our solar system is part of, is just one example of the many types of galaxies that exist in the observable universe
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Galaxy is the huge collection of stars, dust, gas and their solar system ; which is held together by gravity.
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