News tagged with spitzer space telescope

The making of dust

(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...

dateJul 06, 2011 in Astronomy
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A green ring fit for a superhero

(PhysOrg.com) -- This glowing emerald nebula seen by NASA's Spitzer Space Telescope is reminiscent of the glowing ring wielded by the superhero Green Lantern. In the comic books, the diminutive Guardians of ...

dateJun 16, 2011 in Astronomy
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Cassiopeia A Comes Alive Across Time and Space

(PhysOrg.com) -- Two new efforts have taken a famous supernova remnant from the static to the dynamic. A new movie of data from NASA's Chandra X-ray Observatory shows changes in time never seen before in ...

dateJan 06, 2009 in Astronomy
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Earth's dust tail points to alien planets

Did you know that the Earth has a dust tail? The Spitzer Space Telescope sailed right through it a few months ago, giving researchers a clear idea of what it looks like. That could be a big help to planet ...

dateNov 15, 2010 in Astronomy
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The outbursts of Fornax

(PhysOrg.com) -- The galaxy Fornax A, at a distance of about 74 million light-years, is one of the nearest and brightest galaxies with giant radio lobes. These huge radio lobes -- they span a million light-years ...

dateOct 01, 2010 in Astronomy
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Making a spectacle of star formation in Orion

(PhysOrg.com) -- Looking like a pair of eyeglasses only a rock star would wear, this nebula brings into focus a murky region of star formation. NASA's Spitzer Space Telescope exposes the depths of this dusty ...

dateJun 30, 2011 in Astronomy
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Measuring the clumpiness of proto-planetary disks

(PhysOrg.com) -- The process of star formation, once thought to involve just the simple coalescence of material under the influence of gravity, actually entails a complex series of stages, with the youngest ...

dateJun 14, 2011 in Astronomy
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Hubble monitors supernova in nearby galaxy M82

This is a Hubble Space Telescope composite image of a supernova explosion designated SN 2014J in the galaxy M82. At a distance of approximately 11.5 million light-years from Earth it is the closest supernova ...

dateFeb 26, 2014 in Astronomy
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The Cosmic Distance Scale

(PhysOrg.com) -- In 1908, Harvard astronomer Henrietta Swan Leavitt discovered that a class of stars called Cepheids have brightnesses that vary regularly with periods that are directly related to their intrinsic ...

dateJan 29, 2010 in Astronomy
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