News tagged with star cluster

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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 ...

Oct 04, 2011 5 / 5 (1) 10

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 ...

Sep 27, 2011 5 / 5 (2) 2

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 ...

Sep 16, 2011 4.7 / 5 (3) 6

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 ...

Aug 15, 2011 4.7 / 5 (22) 19 | with audio podcast

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 ...

Jul 20, 2011 4.8 / 5 (5) 1 | with audio podcast

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 ...

Jul 11, 2011 5 / 5 (2) 10 | with audio podcast

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 ...

Jun 24, 2011 4.8 / 5 (4) 2 | with audio podcast