News tagged with spitzer space telescope

Cygnus OB2: Probing a nearby stellar cradle

(—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. The star cluster ...

dateNov 08, 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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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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Citizen scientists reveal a bubbly Milky Way

( -- A team of volunteers has pored over observations from NASA's Spitzer Space Telescope and discovered more than 5,000 "bubbles" in the disk of our Milky Way galaxy. Young, hot stars blow these bubbles into ...

dateMar 07, 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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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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