News tagged with spitzer space telescope

Visiting an asteroid

Asteroids (or comets) whose orbits bring them close to the earth's orbit are called Near Earth Objects (NEOs). Some asteroids are old, dating from the origins of the solar system about four and one-half billion ...

dateDec 17, 2010 in Space Exploration
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A cosmic inkblot test

(PhysOrg.com) -- If this were an inkblot test, you might see a bow tie or a butterfly depending on your personality. An astronomer would likely see the remains of a dying star scattered about space -- precisely ...

dateAug 11, 2011 in Astronomy
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The Tarantula glows with X-rays and infrared light

(PhysOrg.com) -- This spiderweb-like tangle of gas and dust is a star-forming region called 30 Doradus. It is one of the largest such regions located close to the Milky Way galaxy, and is found in the neighboring ...

dateNov 11, 2011 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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Spitzer Finds a Flavorful Mix of Asteroids

(PhysOrg.com) -- New research from NASA's Spitzer Space Telescope reveals that asteroids somewhat near Earth, termed near-Earth objects, are a mixed bunch, with a surprisingly wide array of compositions. Like ...

dateSep 02, 2010 in Astronomy
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An infrared atlas of interacting galaxies

Most galaxies, including our own Milky Way, have been influenced by an interaction with another galaxy at some time in their past. Interactions between galaxies can trigger an increase in star-formation activity ...

dateFeb 02, 2015 in Astronomy
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Organic conundrum in Large Magellanic Cloud

(Phys.org) —A group of organic chemicals that are considered carcinogens and pollutants today on Earth, but are also thought to be the building blocks for the origins of life, may hold clues to how carbon-rich ...

dateJun 23, 2014 in Astronomy
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Distance measurement of a microlensing event

The distance to celestial objects is key to calculating their intrinsic properties like mass and luminosity. Distance, unfortunately, is also one of the most difficult parameters to measure. The most direct ...

dateApr 06, 2015 in Astronomy
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1000 days of infrared wonders

(Phys.org) -- For the last 1000 days the Infrared Array Camera (IRAC), aboard NASA's Spitzer Space Telescope, has been operating continuously to probe the universe from its most distant regions to our local ...

dateApr 16, 2012 in Astronomy
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Trigger-Happy Star Formation

(PhysOrg.com) -- A new study from two of NASA's Great Observatories provides fresh insight into how some stars are born, along with a beautiful new image of a stellar nursery in our Galaxy. The research shows ...

dateAug 12, 2009 in Astronomy
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