Historical record13 October 2005
Spitzer infrared imaging shows an asymmetric ring of star formation and a gap in Andromeda's disk, suggesting past interactions with satellite galaxies.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Spitzer infrared imaging shows an asymmetric ring of star formation and a gap in Andromeda's disk, suggesting past interactions with satellite galaxies.
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