News tagged with galaxy cluster

Using artificial intelligence to chart the universe

(Phys.org)—Astronomers in Germany have developed an artificial intelligence algorithm to help them chart and explain the structure and dynamics of the universe around us with unprecedented accuracy. The ...

Sep 24, 2012
4.6 / 5 (10) 3 | with audio podcast

A family portrait of galaxies

(Phys.org)—Two very different galaxies feature in this family portrait taken by the NASA/ESA Hubble Space Telescope, together forming a peculiar galaxy pair called Arp 116. The image shows the dramatic ...

Sep 06, 2012
5 / 5 (1) 10 | with audio podcast

A cluster with a secret

(Phys.org)—A new image from ESO's La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied ...

Sep 05, 2012
5 / 5 (3) 21 | with audio podcast

Northern Rockies skies for September

The early September night sky is dominated by the summer triangle (Vega, Deneb and Altair) directly overhead. The constellation Scorpius lies on the southwest horizon with its brilliant red star, Antares.

Aug 30, 2012
4.5 / 5 (2) 1

A super cluster of galaxies

(Phys.org)—Most galaxies lie in clusters, groupings of several to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large ...

Aug 28, 2012
5 / 5 (7) 22 | 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

Phoenix cluster sets record pace at forming stars

(Phys.org) -- Astronomers have found an extraordinary galaxy cluster -- one of the largest objects in the Universe -- that is breaking several important cosmic records. Observations of this cluster, known ...

Aug 15, 2012
5 / 5 (4) 28 | with audio podcast

Astronomers crack mystery of the 'monster stars'

(Phys.org) -- In 2010 scientists discovered four 'monster' sized stars, with the heaviest more than 300 times as massive as our Sun. Despite their incredible luminosity, these exotic objects, located in the ...

Aug 07, 2012
5 / 5 (14) 11 | with audio podcast

Rare case of gravitational lensing reported (Update)

(Phys.org) -- Seeing is believing, except when you don't believe what you see. Astronomers using NASA's Hubble Space Telescope have found a puzzling arc of light behind an extremely massive cluster of galaxies ...

Jun 26, 2012
4.8 / 5 (21) 52 | with audio podcast

Hubble views the globular cluster M10

(Phys.org) -- Like many of the most famous objects in the sky, globular cluster Messier 10 was of little interest to its discoverer. Charles Messier, the 18th century French astronomer, cataloged over 100 ...

Jun 26, 2012
5 / 5 (7) 4 | with audio podcast

Colliding galaxy cluster unravelled

An international team of astronomers has used the International LOFAR Telescope from ASTRON, the Netherlands Institute for Radio Astronomy, to study the formation of the galaxy cluster Abell 2256.

May 24, 2012
4.8 / 5 (4) 2