News tagged with star clusters

Space image: Carina Nebula: 14,000+ Stars

(PhysOrg.com) -- The Carina Nebula is a star-forming region in the Sagittarius-Carina arm of the Milky Way that is 7,500 light years from Earth and the Chandra X-Ray Observatory has detected more than 14,000 ...

dateOct 17, 2011 in Astronomy
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Astronomers find bounty of failed stars

A University of Toronto-led team of astronomers has discovered over two dozen new free-floating brown dwarfs, including a lightweight youngster only about six times heftier than Jupiter, that reside in two ...

dateOct 11, 2011 in Astronomy
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STAR TRAK for October

As the short nights of summer give way to the longer nights of autumn in the Northern Hemisphere, Jupiter will come into view above the southeastern horizon as the sun sets. The huge planet will be much brighter ...

dateOct 04, 2011 in Space Exploration
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Homeless supernovae

In a post earlier this month, we looked at a team of astronomers searching for stars that were on ejected from their birthplaces in clusters. These stars could receive the needed kick from a gravitational swing ...

dateSep 27, 2011 in Astronomy
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Help! My stars are leaking!

Star clusters are wonderful test beds for theories of stellar formation and evolution. One of the key roles they play is to help astronomers understand the distribution of stellar masses as stars form (in ...

dateSep 16, 2011 in Astronomy
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Young stars take a turn in the spotlight

(PhysOrg.com) -- ESO's New Technology Telescope (NTT) has captured a striking image of the open cluster NGC 2100. This brilliant star cluster is around 15 million years old, and located in the Large Magellanic ...

dateSep 07, 2011 in Astronomy
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The central region of the Milky Way

(PhysOrg.com) -- The center of our Milky Way galaxy is about 27,000 light-years away in the direction of the constellation of Sagittarius. At the very center of the galaxy lies a black hole whose mass is about ...

dateAug 15, 2011 in Astronomy
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A cosmic superbubble (w/ video)

(PhysOrg.com) -- ESO’s Very Large Telescope captured this striking view of the nebula around the star cluster NGC 1929 within the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. A colossal ...

dateJul 20, 2011 in Astronomy
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Building galaxies

(PhysOrg.com) -- Galaxies frequently collide with one another. Our own Milky Way galaxy, for example, and its nearest giant neighbor, the Andromeda galaxy, are heading towards each other at a rate of about ...

dateJul 11, 2011 in Astronomy
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Gamma-ray emission from Terzan 5

(PhysOrg.com) -- The H.E.S.S. telescope system in Namibia discovered a new source of very-high-energy gamma-rays from the direction of the globular cluster Terzan 5. Being very likely located in the outer ...

dateJun 24, 2011 in Astronomy
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Understanding stellar birth using old star clusters

It is now known that most, if not all, of the stars in our Galaxy were born in star clusters. These spherical groupings contain anywhere from a few tens to several million members all milling about under the influence of ...

dateJun 01, 2011 in Astronomy
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'Oddball' star cluster is a hybrid, astronomer finds

(PhysOrg.com) -- Scientists will tell you that the romantic idea is factually true: we are made of the same stuff as stars. In fact, all chemical elements heavier than helium are made in the stars, and research into how the ...

dateJun 01, 2011 in Astronomy
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'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

dateMay 30, 2011 in Astronomy
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