News tagged with dwarf galaxies

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Hubble telescope unmasks ghost galaxies

(Phys.org) -- Astronomers have used Hubble Space Telescope to study some of the smallest and faintest galaxies in our cosmic neighbourhood. These galaxies are fossils of the early Universe: they have barely ...

Jul 10, 2012
4.1 / 5 (12) 2 | with audio podcast

UKIRT discovers 'impossible' binary stars

(Phys.org) -- A team of astronomers have used the United Kingdom Infrared Telescope (UKIRT) on Hawaii to discover four pairs of stars that orbit each other in less than 4 hours. Until now it was thought that ...

Jul 05, 2012
4.8 / 5 (18) 18 | with audio podcast

Hubble sees a vapor of stars

(Phys.org) -- Relatively few galaxies possess the sweeping, luminous spiral arms or brightly glowing center of our home galaxy the Milky Way. In fact, most of the Universe's galaxies look like small, amorphous ...

Jul 02, 2012
5 / 5 (2) 0 | with audio podcast

Cosmic dance produces a new galaxy in NGC 3166/9

A team of astronomers from Queen's University, the Royal Military College of Canada (RMCC) and their world-wide collaborators have detected what is believed to be a "tidal" dwarf galaxy (TDG). Only a handful of bona-fide ...

Jun 20, 2012
4.5 / 5 (4) 2

Compact blue dwarf can't hide from Hubble

(Phys.org) -- The NASA/ESA Hubble Space Telescope has captured this view of the dwarf galaxy UGC 5497, which looks a bit like salt sprinkled on black velvet in this image.

Jun 17, 2012
4.2 / 5 (6) 14 | with audio podcast

WISE finds few brown dwarfs close to home

(Phys.org) -- Astronomers are getting to know the neighbors better. Our sun resides within a spiral arm of our Milky Way galaxy about two-thirds of the way out from the center. It lives in a fairly calm, suburb-like ...

Jun 08, 2012
4.6 / 5 (12) 3 | with audio podcast

Antlia dwarf galaxy peppers the sky with stars

(PhysOrg.com) -- The myriad faint stars that comprise the Antlia Dwarf galaxy are more than four million light-years from Earth, but this NASA/ESA Hubble Space Telescope image offers such clarity that they ...

Mar 05, 2012
5 / 5 (4) 0 | with audio podcast

Black hole came from a shredded galaxy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster ...

Feb 15, 2012
4.6 / 5 (14) 13 | with audio podcast

Astronomy team discovers nearby dwarf galaxy

(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years ...

Feb 08, 2012
4.3 / 5 (8) 5 | with audio podcast