ScienceDaily: Astronomy News |
| Stream of stars in Andromeda satellite galaxy shows cosmic collision Posted: 23 Feb 2014 10:17 AM PST The Andromeda Galaxy is surrounded by a swarm of small satellite galaxies. Researchers have detected a stream of stars in one of the Andromeda Galaxy's outer satellite galaxies, a dwarf galaxy called Andromeda II. This galaxy is very small -- less than one percent of the Milky Way. The movement of the stars tells us that what we are observing is the remnant of a merger between two dwarf galaxies. Mergers between galaxies of such low mass has not been observed before. |
| The Hubble showdown: Starbursts versus monsters Posted: 23 Feb 2014 08:25 AM PST The dominating figure in the middle of this new Hubble image is a galaxy known as MCG-03-04-014. It belongs to a class of galaxies called luminous infrared galaxies -- galaxies that are incredibly bright in the infrared part of the spectrum. |
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