News tagged with star clusters

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

The two-faced whirlpool galaxy

(PhysOrg.com) -- These images by NASA's Hubble Space Telescope show off two dramatically different face-on views of the spiral galaxy M51, dubbed the Whirlpool Galaxy.

Jan 14, 2011
4.9 / 5 (8) 0 | with audio podcast

SMA reveals giant star cluster in the making

W49A might be one of the best-kept secrets in our galaxy. This star-forming region shines 100 times brighter than the Orion nebula, but is so obscured by dust that very little visible or infrared light escapes.

Dec 16, 2013
4.9 / 5 (8) 4 | with audio podcast

The rise and fall of galactic cities

(Phys.org) —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in ...

Dec 19, 2013
4.9 / 5 (8) 1 | with audio podcast

Image: Magnifying the distant universe

(Phys.org) —Galaxy clusters are some of the most massive structures that can be found in the Universe—large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope ...

Apr 01, 2014
3.8 / 5 (10) 0

Glittering jewels of Messier 9

(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. This ball of stars is too faint ...

Mar 16, 2012
4.6 / 5 (8) 3 | with audio podcast

Hubble watches star clusters on a collision course

(Phys.org) -- Astronomers using data from NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 170,000 light-years away ...

Aug 16, 2012
4.6 / 5 (8) 4 | with audio podcast

Giant galaxy Messier 87 finally sized up

The new observations reveal that Messier 87's halo of stars has been cut short, with a diameter of about a million light-years, significantly smaller than expected, despite being about three times the extent ...

May 20, 2009
4.5 / 5 (8) 0

An image gallery gift from Swift satellite

(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, ...

Dec 28, 2012
4.5 / 5 (8) 5

Image: The Early Cosmos

(PhysOrg.com) -- Stars are forming in Henize 2-10, a dwarf starburst galaxy located about 30 million light years from Earth, at a prodigious rate, giving the star clusters in this galaxy their blue appearance.

Jan 24, 2011
5 / 5 (7) 0

The Chandra Carina complex project

(PhysOrg.com) -- The Great Nebula in the constellation of Carina is a massive star-forming complex located about 7.5 thousand light-years away. The main star in the complex, Eta Carinae, shines brightly in ...

May 16, 2011
5 / 5 (7) 1 | with audio podcast