News tagged with galaxy evolution

M81's 'Halo' Sheds Light on Galaxy Formation

(PhysOrg.com) -- Observations with Subaru Telescope's Prime Focus Camera (Suprime-Cam) have revealed an extended structure of the spiral galaxy Messier 81 (M81) that may hold a key to understanding the formation ...

Apr 13, 2010
5 / 5 (7) 1 | with audio podcast

Galaxies Demand a Stellar Recount

(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...

Aug 19, 2009
4.8 / 5 (16) 17

Starbursts in Dwarf Galaxies are a Global Affair

(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking out.

Apr 30, 2009
5 / 5 (4) 1

NASA's SkyView Delivers the Multiwavelength Cosmos

(PhysOrg.com) -- Some three million times a year, researchers, educators, and amateur astronomers all over the world ask NASA's SkyView virtual observatory to serve up images of some interesting corner of ...

Feb 04, 2009
4.5 / 5 (2) 0