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Fermi Explores Supernova Remnants

Fermi's Large Area Telescope (LAT) resolved gamma rays with energies a billion times greater than that of visible light from supernova remnants of different ages and in different environments. W51C, W44 and IC 443 are middle-aged remnants between 4,000 and 30,000 years old. The youngest remnant, Cassiopeia A, is only 330 years old and appears to the LAT as a point source. The images bring astronomers a step closer to understanding the source of some of the universe's most energetic particles -- cosmic rays. The emissions are likely the result of accelerated protons interacting with nearby gas clouds, but other possibilities have not been eliminated. Astrophysicists believe that supernova remnants are the galaxy's best candidate sites for cosmic-ray acceleration. These observations provide further validation to the notion that supernova remnants act as enormous accelerators for cosmic particles.
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More information on this topic available at:
http://www.nasa.gov/mission_pages/GLAST/news/cosmic-rays-source.html

Supernova Remnant video showing specific remnants and their appearance at different wavelengths of electromagnetic radiation. For Photoshop file, click here .    Supernova Remnant video showing specific remnants and their appearance at different wavelengths of electromagnetic radiation.

For Photoshop file, click here.
Duration: 1.1 minutes
Available formats:
  1280x720 (59.94 fps) QT         1 GB
  1280x720 (59.94 fps) QT         41 MB
  1280x720 (30 fps) QT         37 MB
  1280x720 (29.97 fps) MPEG-4   21 MB
  1280x720 (59.94 fps) QT         19 MB
  960x720 (29.97 fps) MPEG-4   14 MB
  640x360 (29.97 fps) MPEG-4   7 MB
  320x180 (29.97 fps) MPEG-4   1 MB
  352x240 (29.97 fps) MPEG-1   14 MB
  1280x720   TIFF         2 MB
  320x180     PNG           230 KB
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Fermi mapped GeV-gamma-ray emission regions (magenta) in the W44 supernova remnant. The features clearly align with filaments detectable in other wavelengths. This composite merges X-rays (blue) from the Germany-led ROSAT mission, infrared (red) from NASA's Spitzer Space Telescope, and radio (orange) from the Very Large Array near Socorro, N.M. For the 42MB Photoshop file click here . Credit: NASA/DOE/Fermi LAT Collaboration, CXC/SAO/JPL-Caltech/Steward/O. Krause et al., and NRAO/AUI    Fermi mapped GeV-gamma-ray emission regions (magenta) in the W44 supernova remnant. The features clearly align with filaments detectable in other wavelengths. This composite merges X-rays (blue) from the Germany-led ROSAT mission, infrared (red) from NASA's Spitzer Space Telescope, and radio (orange) from the Very Large Array near Socorro, N.M.

For the 42MB Photoshop file click here.

Credit: NASA/DOE/Fermi LAT Collaboration, CXC/SAO/JPL-Caltech/Steward/O. Krause et al., and NRAO/AUI

Available formats:
  1280 x 1450     TIFF       5 MB


Cas A multiwavelength view For the 38MB Photoshop file click here . Credit: NASA/DOE/Fermi LAT Collaboration, ROSAT, JPL-Caltech, and NRAO/AUI    Cas A multiwavelength view

For the 38MB Photoshop file click here.

Credit: NASA/DOE/Fermi LAT Collaboration, ROSAT, JPL-Caltech, and NRAO/AUI

Available formats:
  1280 x 969       TIFF       3 MB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10566
Animation Number:10566
Completed:2010-02-10
Animator:Scott Wiessinger (UMBC) (Lead)
Producer:Scott Wiessinger (UMBC)
Scientist:Stefan Funk (KIPAC)
Writer:Francis Reddy (SPSYS)
Platforms/Sensors/Data Sets:Fermi None
 Fermi/LAT
Series:Astrophysics Visualizations
 Astrophysics Stills
 Astrophysics Features
Goddard TV Tape:G2010-139 -- Various Small Astrophysics projects
Please give credit for this item to:
NASA/DOE/Fermi LAT Collaboration
 
Keywords:
SVS >> Gamma Ray
SVS >> HDTV
SVS >> Supernovae
SVS >> Astrophysics
SVS >> Universe
SVS >> GLAST
SVS >> Fermi
SVS >> Supernova
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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