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- Galaxies A Few Educational Facts 3rd Grade Children's Space Book
Galaxies A Few Educational Facts 3rd Grade Children's Space Book
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The Milky Way is a spiral galaxy. It has a huge bulge at its center. This bulge is created by the presence of hydrogen. There is also a halo of dark matter that surrounds the Milky Way. Scientists believe that the Milky Way has a central supermassive black hole. The Milky Way is a part of the Local Group of galaxies. Most of these galaxies are small, but many of them are very bright. They are surrounded by old, star-laden clusters of stars.
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