Dark Energy Spectroscopic Instrument tagged posts

Footprints of Galactic Immigration uncovered in Andromeda Galaxy

A team of researchers led by astronomers at NSF’s NOIRLab has uncovered striking new evidence for a mass migration of stars into the Andromeda Galaxy. Intricate patterns in the motions of stars reveal an immigration history very similar to that of the Milky Way. The new results were obtained with the DOE’s Dark Energy Spectroscopic Instrument on the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF’s NOIRLab.

The Dark Energy Spectroscopic Instrument reveals compelling evidence of a mass migration of stars into Andromeda Galaxy. Intricate patterns in the motions of stars reveal an immigration history very similar to that of the Milky Way.

Over the course of billions of years, galaxies grow and evolve by forging new stars and merging with o...

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