Milky Way Punier Than We Thought

Looks like our home galaxy, the Milky Way, has gone on the ultimate weight-loss program, according to astronomers. According to a new supercomputer simulation, it turns out that the entire mass of our Milky Way galaxy is about half that of the great Andromeda galaxy, our nearest neighbouring spiral galaxy some 2.6 million light-years away from us. Astronomers had long thought the galaxies were twins.

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