VLA Discovers Giant Rings Around Galaxy Cluster

User rating: 4.9 / 5 after 24 vote(s)

A combined radiooptical image shows the galaxy cluster Abell 3376 in visible light (blue) and radio (red) images. The giant radio arcs surrounding the cluster were discovered using the Very Large Array. The visible-light image is from the Digitized ...
A combined radio/optical image shows the galaxy cluster Abell 3376 in visible light (blue) and radio (red) images. The giant radio arcs surrounding the cluster were discovered using the Very Large Array. The visible-light image is from the Digitized Sky survey. CREDIT: Joydeep Bagchi, IUCAA, NRAO/AUI/NSF

Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have discovered giant, ring-like structures around a cluster of galaxies. The discovery provides tantalizing new information about how such galaxy clusters are assembled, about magnetic fields in the vast spaces between galaxy clusters, and possibly about the origin of cosmic rays.


Full story »
All News summaries from Space & Earth science news
All News summaries for November 02, 2006

CoRoT discovery challenges the definition of extra-solar planets

25 minutes ago | User rating: not rated yet
(PhysOrg.com) -- The CoRoT satellite has discovered a planet-sized object so exotic that astronomers are unsure whether to call it a planet. The object, named CoRoT-Exo-3b, is approximately the same size as ...

MESSENGER Returns Images from Oct. 6 Mercury Fly-By

35 minutes ago | User rating: not rated yet
MESSENGER is the first mission sent to orbit the planet closest to the sun. On Oct. 6, 2008, at roughly 4:40 a.m. ET, MESSENGER flew by Mercury for the second time this year. During the encounter, the probe ...

Report debunks China energy myth

39 minutes ago | User rating: not rated yet
A detailed analysis of powerplants in China by MIT researchers debunks the widespread notion that outmoded energy technology or the utter absence of government regulation is to blame for that country's notorious air-pollution ...

COROT discovery stirs exoplanet classification rethink

1 hour ago | User rating: not rated yet
(PhysOrg.com) -- COROT has discovered a massive planet-sized object orbiting its parent star closely, unlike anything ever spotted before. It is so exotic, that scientists are unsure as to whether this oddity ...

Electricity supply: Sustainable sources remain expensive

2 hours ago | User rating: not rated yet
Ambitious governments' environmental objectives for the electricity sector are only possible at a high price. This is one of the conclusions of researcher ir. Hans Rödel, who is to receive his PhD at TU Delft on Thursday ...
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive