News tagged with galaxy formation

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New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...

Jun 08, 2011
4.8 / 5 (14) 12 | with audio podcast

'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

May 30, 2011
4.7 / 5 (11) 6 | with audio podcast

Testing the spiral density wave theory

Spiral galaxies are one of the most captivating structures in astronomy, yet their nature is still not fully understood. Astronomers currently have two categories of theories that can explain this structure, ...

May 30, 2011
4.7 / 5 (7) 4

New candidate for most distant object in universe

(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...

May 25, 2011
5 / 5 (8) 8 | with audio podcast

Milky Way in mid-life crisis

(PhysOrg.com) -- The Milky Way is suffering from a mid-life crisis with most of its star formation behind it, new research from Swinburne University of Technology has shown.

May 25, 2011
5 / 5 (3) 6 | with audio podcast

Galaxy NGC 4214: A star formation laboratory

(PhysOrg.com) -- Hubble’s newest camera has taken an image of galaxy NGC 4214. This galaxy glows brightly with young stars and gas clouds, and is an ideal laboratory to research star formation and evolution.

May 12, 2011
5 / 5 (1) 22 | with audio podcast

Raging storms sweep away galactic gas

(PhysOrg.com) -- ESA's Herschel infrared space observatory has detected raging winds of molecular gas streaming away from galaxies. Suspected for years, these outflows may have the power to strip galaxies ...

May 09, 2011
4 / 5 (4) 7 | with audio podcast

Two views of a lopsided galaxy (w/ video)

(PhysOrg.com) -- The Meathook Galaxy, or NGC 2442, has a dramatically lopsided shape. One spiral arm is tightly folded in on itself and host to a recent supernova, while the other, dotted with recent star ...

May 04, 2011
4.5 / 5 (2) 19 | with audio podcast

The most massive distant object known

(PhysOrg.com) -- Galaxies often occur in groups. Our own Milky Way galaxy, for example, and its local neighborhood with about fifty galaxies are at the edge of the Virgo Cluster, a collection of somewhere ...

Apr 11, 2011
4.9 / 5 (12) 61 | with audio podcast

Australian students capture dancing galaxies

For the second consecutive year, high school students from across Australia joined in a competition to obtain scientifically useful (and aesthetically pleasing) images using the Gemini Observatory. The spectacular ...

Apr 06, 2011
5 / 5 (2) 1

The rose-red glow of star formation

The vivid red cloud in this new image from ESO's Very Large Telescope is a region of glowing hydrogen surrounding the star cluster NGC 371. This stellar nursery lies in our neighboring galaxy, the Small Magellanic ...

Mar 30, 2011
4.3 / 5 (4) 1 | with audio podcast

The 'Eye of Sauron'

(PhysOrg.com) -- Spiral galaxy NGC 4151 is dubbed the "Eye of Sauron" for its similarity to the malevolent eye in "The Lord of the Rings."

Mar 11, 2011
4.8 / 5 (10) 9 | with audio podcast