News tagged with infrared array camera

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Image: Spitzer at 10

The infrared observatory Spitzer has been at work for 10 years, revealing the cool dusty regions where stars and planets form, as well as shedding light on planets, exoplanets, stars and galaxies. Spitzer ...

Oct 01, 2013 5 / 5 (1) 0

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 ...

Aug 13, 2012 3.3 / 5 (9) 7 | with audio podcast

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 ...

Apr 16, 2012 5 / 5 (4) 0

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 ...

Jan 29, 2010 4.6 / 5 (19) 0 | with audio podcast