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How Are Galaxies Born?

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How Are Galaxies Born?

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How are galaxies born? This isn’t our specialty, but you might want to check out the Imagine the Universe! page on this subject. Beth Barbier • Distance to Galaxies How many galaxies are close to our galaxy? What is the farthest galaxy seen from Earth? Our galaxy (the Milky Way) is one of at least 17 galaxies that are called the “Local Group”. There are probably other galaxies in the Local Group that we haven’t seen yet (blocked by gas or the rest of the Milky Way). The Andromeda galaxy (M31) and the Milky Way are the two largest galaxies in this group. They are all within about two million light years of us. The farthest galaxy seen is about 13 billion light years away. You can see the press release at this Hubble web site. Dr. Eric Christian • Number of Galaxies in the Universe What is an estimate of the number of galaxies in the observable Universe? Current estimates are that there are billions to a few tens of billions of galaxies in the observable Universe. Dr. Eric Christian • Ty

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