News tagged with spitzer space telescope

A surprisingly bright superbubble

(—This composite image shows a superbubble in the Large Magellanic Cloud (LMC), a small satellite galaxy of the Milky Way located about 160,000 light years from Earth.

dateAug 30, 2012 in Astronomy
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The cosmic infrared background

( -- The cosmic infrared background is the collective infrared radiation emitted by cosmic sources throughout the history of the universe, including sources inaccessible to current telescopes. The latter category, ...

dateAug 13, 2012 in Astronomy
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Hidden galactic nuclei

( -- At the core of most galaxies including our own Milky Way is a massive black hole. Material falling into the environment of the black hole heats up, and can radiate dramatically, sometimes also powering the ejection ...

dateAug 10, 2012 in Astronomy
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The spectral energy distribution of protostars

( -- Stars form when gravitational forces coalesce the gas and dust in interstellar clouds until the material forms clumps dense enough to become stars. Precisely how this happens, however, is still very uncertain. ...

dateAug 06, 2012 in Astronomy
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Image: A storm of comets around star Eta Corvi

( -- This artist's conception illustrates a storm of comets around a star near our own, called Eta Corvi. Evidence for this barrage comes from NASA's Spitzer Space Telescope, whose infrared detectors picked up indications ...

dateJul 24, 2012 in Space Exploration
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Radio galaxies in the distant universe

( -- For over a decade astronomers have been probing a region of the northern sky, not far from the handle of the Big Dipper, that is relatively free of bright stars and the diffuse glow of the Milky Way. The scientists ...

dateJun 26, 2012 in Astronomy
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The anatomy of a stellar outflow

( -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other things assembling ...

dateMay 28, 2012 in Astronomy
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A pinwheel in many colors

( -- 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 that both young ...

dateMay 25, 2012 in Astronomy
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