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How Many Galaxies Have We Discovered? - Universe Today
[/caption] Astronomers think that there are hundreds of billions galaxies in the universe, however the exact number is not known. But astronomers should know how many galaxies we’ve actually seen and discovered, right? Well, not necessarily. “We don’t know,” says Ed Churchwell, professor of astronomy at the University of Wisconsin-Madison. “We know it’s a very … Continue reading "How Many Galaxies Have We Discovered?"