News tagged with star clusters

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

STAR TRAK for August 2012

The annual Perseid meteor shower, which will peak on Aug. 11-12, is one of the most popular every year because it happens on warm summer nights, when gazing at the starry sky is always enjoyable. In a clear, dark sky there ...

Aug 06, 2012 not rated yet 0

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 star factory: observing Arp 220

Using the Herschel Space Observatory, Wilson's group has found Arp 220 to have large amounts of very warm molecular hydrogen gas, a surprising find that implies molecular hydrogen is the dominant coolant in the high-temperature ...

Feb 18, 2012 5 / 5 (2) 4