Andromeda's Stellar Halo Shows Galaxy's Origin to Be Similar to That of Milky Way

For the last decade, astronomers have thought that the Andromeda galaxy, our nearest galactic neighbor, was rather different from the Milky Way. But a group of researchers have determined that the two galaxies are probably quite similar in the way they evolved, at least over their first several billion years.

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All News summaries for February 28, 2006