News tagged with dwarf galaxies

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The Milky Way's tiny but tough galactic neighbor

In the new ESO image, Barnard's Galaxy glows beneath a sea of foreground stars in the direction of the constellation of Sagittarius (the Archer). At the relatively close distance of about 1.6 million light-years, ...

Oct 14, 2009
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Cosmic Dance Helps Galaxies Lose Weight

(PhysOrg.com) -- A study published this week in the journal Nature offers an explanation for the origin of dwarf spheroidal galaxies. The research may settle an outstanding puzzle in unders ...

Jul 29, 2009
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Starbursts in Dwarf Galaxies are a Global Affair

(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking out.

Apr 30, 2009
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Rogue Black Holes May Roam the Milky Way

(PhysOrg.com) -- It sounds like the plot of a sci-fi movie: rogue black holes roaming our galaxy, threatening to swallow anything that gets too close. In fact, new calculations by Ryan O'Leary and Avi Loeb ...

Apr 29, 2009
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New stars from old gas surprise astronomers

(PhysOrg.com) -- Evidence of star birth within a cloud of primordial gas has given astronomers a glimpse of a previously unknown mode of galaxy formation. The cloud, known as the Leo Ring, appears to lack ...

Feb 18, 2009
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