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There may be trillions of galaxies in the universe, but that doesn’t mean the Milky Way isn’t special. In fact, large galaxies like our own are often the exception, not the norm, in a universe populated by a plethora of small and faint galaxies. Such small galaxies can serve as building blocks for larger galaxies or draw near to their hulking neighbors — indeed, scientists have now found nearly 60 small galaxies orbiting the Milky Way, and think there may be more scores more still undetected. Watch the video to find out more things to know about our galaxy.

Read more: The mighty Milky Way, The life and breath of galaxies