News tagged with dwarf galaxies

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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 could be mistaken ...

dateMar 05, 2012 in Astronomy
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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 suggests that ...

dateFeb 15, 2012 in Astronomy
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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 from Earth. ...

dateFeb 08, 2012 in Astronomy
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The Helix Nebula in new colors

(PhysOrg.com) -- ESO's VISTA telescope, at the Paranal Observatory in Chile, has captured a striking new image of the Helix Nebula. This picture, taken in infrared light, reveals strands of cold nebular gas that are invisible ...

dateJan 19, 2012 in Astronomy
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Origin of thermonuclear supernova discovered

(PhysOrg.com) -- Using NASA’s Hubble Space Telescope, astronomers have solved a longstanding mystery on the type of star, or so-called progenitor, which caused a supernova seen in a nearby galaxy. The finding yields ...

dateJan 11, 2012 in Astronomy
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Little galaxies are big on dark matter

Dark matter... It came into existence at the moment of the Big Bang. Within its confines, galaxies formed and evolved. If you add up all the parts contained within any given galaxy you derive its mass, yet its gravitational ...

dateDec 30, 2011 in Astronomy
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