News tagged with spitzer space telescope

Hidden black hole: Spiral galaxy NGC 3627

(Phys.org)—The spiral galaxy NGC 3627 is located about 30 million light years from Earth. This composite image includes X-ray data from NASA's Chandra X-ray Observatory (blue), infrared data from the Spitzer ...

dateDec 14, 2012 in Astronomy
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Cygnus OB2: Probing a nearby stellar cradle

(Phys.org)—The Milky Way and other galaxies in the universe harbor many young star clusters and associations that each contain hundreds to thousands of hot, massive, young stars known as O and B stars. ...

dateNov 08, 2012 in Astronomy
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Revealing a mini-supermassive black hole

One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA's Chandra X-ray Observatory and several other observatories. The host galaxy is ...

dateOct 24, 2012 in Astronomy
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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 ...

dateOct 04, 2012 in Astronomy
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A surprisingly bright superbubble

(Phys.org)—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

(Phys.org) -- 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 ...

dateAug 13, 2012 in Astronomy
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Hidden galactic nuclei

(Phys.org) -- 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 ...

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

(Phys.org) -- 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 ...

dateAug 06, 2012 in Astronomy
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Radio galaxies in the distant universe

(Phys.org) -- 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 ...

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

(Phys.org) -- 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 ...

dateMay 28, 2012 in Astronomy
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Galaxies in the young cosmos

(Phys.org) -- 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 ...

dateMay 21, 2012 in Astronomy
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Spitzer finds galaxy with split personality

(Phys.org) -- While some galaxies are rotund and others are slender disks like our spiral Milky Way, new observations from NASA's Spitzer Space Telescope show that the Sombrero galaxy is both. The galaxy, ...

dateApr 25, 2012 in Astronomy
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