News tagged with galaxy evolution

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
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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
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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
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