News tagged with spitzer space telescope

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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Galaxies in the young cosmos

( -- The universe was born about 13.7 billion years ago in the big bang. The Sun and its system of planets formed about five billion years ago. What happened, then, during that long, intervening stretch of nearly ...

dateMay 21, 2012 in Astronomy
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Spitzer sees the light of alien 'super earth'

( -- NASA's Spitzer Space Telescope has detected light emanating from a "super-Earth" planet beyond our solar system for the first time. While the planet is not habitable, the detection is a historic step toward ...

dateMay 08, 2012 in Astronomy
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