News tagged with dwarf galaxies

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Astronomers discover new kind of supernova

(Phys.org) —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new ...

dateMar 26, 2013 in Astronomy
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Where are all the dwarfs?

Astronomers of the international CLUES collaboration have identified "Cosmic Web Stripping" as a new way of explaining the famous missing dwarf problem: the lack of observed dwarf galaxies compared with that ...

dateFeb 01, 2013 in Astronomy
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GALEX reveals the largest-known spiral galaxy

(Phys.org)—The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now a team of astronomers from the United States, Chile and Brazil has crowned it the largest-known ...

dateJan 10, 2013 in Astronomy
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How white dwarfs mimic black holes

(Phys.org)—A remarkable observation by astronomers from the University of Southampton has been published in one of the world's foremost astrophysics research journals.

dateDec 17, 2012 in Astronomy
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For the Milky Way, it's snack time

Using the Sloan Digital Sky Survey, researchers have discovered a band, or stream, of stars believed to be the remnant of an ancient star cluster slowly being ingested by the Milky Way, Earth's home galaxy.

dateOct 25, 2012 in Astronomy
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The Helix nebula: Bigger in death than life

(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which ...

dateOct 04, 2012 in Astronomy
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