Our Milky Way galaxy may be surrounded by 100 undetected 'orphan' galaxies
Space.com   a day ago
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Our Milky Way galaxy may be surrounded by 100 undetected 'orphan' galaxies  Space100 undiscovered galaxies could be orbiting the Milky Way, according to new research  ABC News - Breaking News, Latest News and VideosThe Milky Way Could be Surrounded...