News tagged with star clusters

Hubble sees Messier 70: Tight and bright

(Phys.org) -- In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a globular cluster. Quarters are always tight in globular clusters, where the ...

Apr 13, 2012
4.7 / 5 (3) 2

Two 'b''s in the Beehive

As astronomers near the 800 mark for confirmed extra solar planets, it seems that notable milestones are becoming fewer and further between. Multi-planet systems aren’t even worth mentioning. Planets ...

Aug 15, 2012
5 / 5 (1) 0

Inseparable galactic twins

(Phys.org) —Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034. The two very similar galaxies, named PGC 9074 and PGC 9071, are close enough ...

Jul 03, 2013
4.5 / 5 (4) 2

Newborn stars discovered in dark cosmic cloud

A wave of massive star formation appears poised to begin within a mysterious, dark cloud in the Milky Way. NASA's Spitzer Space Telescope has revealed a secluded birthplace for stars within a wispy, dark ...

Jul 07, 2010
4.9 / 5 (12) 1 | with audio podcast

For the Milky Way, it's snack time

Using the Sloan Digital Sky Survey, researchers have discovered a band, or stream, of stars believed to be the remnant of an ancient star cluster slowly being ingested by the Milky Way, Earth's home galaxy.

Oct 25, 2012
4.6 / 5 (5) 1

An Eagle of Cosmic Proportions

(PhysOrg.com) -- Today ESO has released a new and stunning image of the sky around the Eagle Nebula, a stellar nursery where infant star clusters carve out monster columns of dust and gas.

Jul 16, 2009
4.8 / 5 (9) 1

Opening up a colorful cosmic jewel box

(PhysOrg.com) -- Star clusters are among the most visually alluring and astrophysically fascinating objects in the sky. One of the most spectacular nestles deep in the southern skies near the Southern Cross ...

Oct 29, 2009
4.5 / 5 (6) 1

Oddball stars discovered in new Hubble images

(PhysOrg.com) -- Professor Adrienne Cool has discovered 24 unusual stars in an ancient star cluster in the Milky Way. Made of helium rather than the usual carbon and oxygen, these white dwarf stars appear ...

Apr 27, 2009
4.3 / 5 (22) 14

Vampires and collisions rejuvenate stars

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...

Dec 23, 2009
4.3 / 5 (9) 2