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supernova remnant
(redirected from Supernova remnants)

   Also found in: Wikipedia 0.01 sec.
supernova remnant [¦sü·pər′nō·və ′rem·nənt]
(astronomy)
A nebula consisting of an expanding shell of gas that has been ejected by a supernova. Abbreviated SNR.


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These showed similar X-ray morphologies, and the speaker explained that these images formed a useful evolutionary sequence: it would be a long wait before any one of these supernova remnants aged appreciably, but by comparing them, some grasp of their life cycle could be obtained.
Among the topics featured are water in the solar system, supernova remnants at high energy, the Crab Nebula, evolution of debris disks, and nuclear activity in nearby galaxies.
LAT can determine exactly where in the Milky Way the gamma rays are coming from, and so can check whether supernova remnants are indeed the source.
 
 
 
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