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

Astronomers Discover Star-Studded Galaxy Tail

(PhysOrg.com) -- NASA's Galaxy Evolution Explorer has discovered a galaxy tail studded with bright knots of new stars. The tail, which was created as the galaxy IC 3418 plunged into the neighboring Virgo cluster ...

Jun 17, 2010
4.5 / 5 (4) 4 | with audio podcast

Is M85 missing a black hole?

The conventional wisdom of galaxies is that they should have a central massive black hole (CMBH). The presence of such objects has been confirmed in our own galaxy as well as numerous other galaxies, including ...

Oct 17, 2011
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A pinwheel in many colors

(Phys.org) -- This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. This multi-spectral view shows ...

May 25, 2012
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Final North American ALMA antenna delivered

(Phys.org)—After an odyssey of design and construction stretching across more than a decade, North America has delivered the last of the 25, 12-meter-diameter dish antennas that comprise its share of antennas ...

Nov 21, 2012
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Galaxy Evolution Explorer finds dark energy repulsive

(PhysOrg.com) -- A five-year survey of 200,000 galaxies, stretching back seven billion years in cosmic time, has led to one of the best independent confirmations that dark energy is driving our universe apart at a ...

May 20, 2011
4.3 / 5 (9) 8