News tagged with galaxy evolution explorer

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Galaxy growth examined like rings of a tree

(Phys.org) —Watching a tree grow might be more frustrating than waiting for a pot to boil, but luckily for biologists, there are tree rings. Beginning at a tree trunk's dense core and moving out to the ...

Nov 01, 2013
4.8 / 5 (12) 3 | with audio podcast

NASA decommissions its galaxy hunter spacecraft

(Phys.org) —NASA has turned off its Galaxy Evolution Explorer (GALEX) after a decade of operations in which the venerable space telescope used its ultraviolet vision to study hundreds of millions of galaxies ...

Jun 29, 2013
4.8 / 5 (6) 0 | with audio podcast

GALEX reveals the largest-known spiral galaxy

(Phys.org)—The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now a team of astronomers from the United States, Chile and Brazil has crowned it the largest-known ...

Jan 10, 2013
4.8 / 5 (10) 2 | with audio podcast

The Helix nebula: Bigger in death than life

(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which ...

Oct 04, 2012
3.5 / 5 (2) 2 | with audio podcast

Image: Black hole caught in a stellar homicide

(Phys.org) -- This computer-simulated image shows gas from a star that is ripped apart by tidal forces as it falls into a black hole. Some of the gas also is being ejected at high speeds into space.

Jul 12, 2012
4 / 5 (4) 0 | with audio podcast

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
5 / 5 (4) 1

A cosmic exclamation point

(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...

Aug 12, 2011
4.3 / 5 (8) 42 | with audio podcast

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