What is a Galaxy?
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5 سال پیش
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Galaxies are concentrations of stars,
Galaxies are concentrations of stars, gas, dust, and dark matter. They come in a variety of shapes and sizes. Some are fated to collide, like the Milky Way and Andromeda.
Credit: NASA and J. Olmsted (STScI)
Credit: NASA and J. Olmsted (STScI)
5 سال پیش
در تاریخ 1398/01/29 منتشر شده
است.
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