About the Image
- NASA/JPL-Caltech/UC Irvine
About the Object
- Cosmology > Morphology > Deep Field
|Infrared||3.6 µm||Spitzer IRAC|
- Position (undefined)
- RA = 14h 31m 15.1s
- Dec = 34° 3' 3.6"
- Field of View
- 1.9 x 1.9 degrees
- North is up
Unmasking a Hidden Glow
This image shows a mysterious, background infrared glow captured by NASA's Spitzer Space Telescope. Using Spitzer, researchers were able to detect this background glow, which spreads across the whole sky, by masking out light from galaxies and other known sources of light (the masks are the gray, blotchy marks).
The scientists find that this light is coming from stray stars that were torn away from galaxies. When galaxies tangle and merge -- a natural stage of galaxy growth -- stars often get kicked out in the process. The stars are too faint to be seen individually, but Spitzer may be seeing their collective glow.
News Release NASA'S Spitzer Sees Light Of Lonesome Stars ssc2012-14
Image Unmasking a Hidden Glow ssc2012-14a
Image Spitzer Sees Stray Starlight ssc2012-14b
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