News tagged with galaxy formation

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Exotic galaxy reveals tantalizing tale

(PhysOrg.com) -- A galaxy with a combination of characteristics never seen before is giving astronomers a tantalizing peek at processes they believe played key roles in the growth of galaxies and clusters ...

Aug 25, 2011
5 / 5 (7) 4 | with audio podcast

First glimpse into birth of the Milky Way

For almost 20 years astrophysicists have been trying to recreate the formation of spiral galaxies such as our Milky Way realistically. Now astrophysicists from the University of Zurich present the world's ...

Aug 25, 2011
4.9 / 5 (9) 15 | with audio podcast

Spitzer sees spider web of stars

(PhysOrg.com) -- Those aren't insects trapped in a spider's web -- they're stars in our own Milky Way galaxy, lying between us and another spiral galaxy called IC 342. NASA's Spitzer Space Telescope captured ...

Jul 21, 2011
5 / 5 (3) 1

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