Fitxategi:The Crab Nebula - A Flickering X-ray Candle.ogv
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The_Crab_Nebula_-_A_Flickering_X-ray_Candle.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 1m 50s, 512 × 288 pixels, 584 kbps overall, file size: 7,62 MB)
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English: The Crab Nebula, created by a supernova seen nearly a thousand years ago, is one of the sky's most famous "star wrecks." For decades, most astronomers have regarded it as the steadiest beacon at X-ray energies, but data from orbiting observatories show unexpected variations. Since 2008, it has faded by 7 percent, activity likely tied to the environment around its central neutron star. |
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| Jatorria | NASA Multimedia |
| Egilea | NASA |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Data/Ordua | Iruditxoa | Neurriak | Erabiltzailea | Iruzkina | |
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| oraingoa | 11:59, 24 martxoa 2011 | 1m 50s, 512×288 (7,62 MB) | Originalwana | {{Information |Description ={{en|1=The Crab Nebula, created by a supernova seen nearly a thousand years ago, is one of the sky's most famous "star wrecks." For decades, most astronomers have regarded it as the steadiest beacon |
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