The two spiral arms winding towards the bright centre might deceive you into thinking you are looking at a galaxy a bit like our Milky Way. But the object starring in this image is of a different ...
The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...
The Whirlpool Galaxy (M51) is a spiral galaxy 27 million light-years away. Its spiral structure was first noticed in 1845. For decades, scientists debated whether it was within our galaxy or a ...
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