File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fermi 14Year Cart Still).jpg
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DescriptionFermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fermi 14Year Cart Still).jpg |
English: The entire gamma-ray sky is unwrapped into a rectangular map, with the center of our Milky Way galaxy located in the middle, in this 14-year time-lapse of the gamma-ray sky. A moving source, our Sun, can be seen following a curving path through the sky, a reflection of Earth’s annual orbital motion. Watch for strong flares that occasionally brighten the Sun. The central plane of our galaxy is on full display, glowing in gamma rays produced when accelerated particles (cosmic rays) interact with interstellar gas and starlight. Pulsars and supernova remnants, all bright gamma-ray sources for Fermi, also fleck the Milky Way band. Above and below the bright central plane, where our view of the broader cosmos becomes clearer, splotches of color brighten and fade. These sources are jets of particles moving at nearly the speed of light driven by supermassive black holes in distant galaxies. The jets happen to point almost directly toward Earth, which enhances their brightness and variability. Over a few days, these galaxies can erupt to become some of the brightest objects in the gamma-ray sky and then fade to obscurity. In these maps, brighter colors indicate more intense gamma-ray sources detected by Fermi’s Large Area Telescope from Aug. 10, 2008, to Aug. 2, 2022. Credit: NASA’s Goddard Space Flight Center and NASA/DOE/LAT CollaborationMusic: "Expanding Shell" written and produced by Lars Leonhard.Credit: NASA's Goddard Space Flight CenterWatch this video on the NASA Goddard YouTube channel.Complete transcript available. |
Date | 20 December 2023 (upload date) |
Source | Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky |
Author | NASA's Scientific Visualization Studio - Seth Digel, Francis Reddy, Judith Racusin, Scott Wiessinger |
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Keywords InfoField | Astrophysics; Black Hole; Blazar; Milky Way; Sun; Fermi; Gamma Ray; Ast; 4K; Video; Pulsar; Time Lapse; Produced video |
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Public domainPublic domainfalsefalse |
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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current | 22:58, 5 January 2024 | 3,840 × 2,160 (1.01 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://svs.gsfc.nasa.gov/vis/a010000/a014300/a014399/Fermi_14Year_Cart_Still.jpg via Commons:Spacemedia |
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The following 7 pages use this file:
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Cartesian Blazar Labels).png
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Cartesian Sun Track).png
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fermi 14Year Narrated Still).jpg
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fermi 14Year Ortho Still).jpg
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fermi 14Year Social Still).jpg
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Fireplace Still).jpg
- File:Fermi's 14-Year Time-Lapse of the Gamma-Ray Sky (SVS14399 - Orthographic Blazar Labels).png
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File change date and time | 08:49, 11 December 2023 |
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Unique ID of original document | xmp.did:770a5147-bac8-4542-9633-43473791fa43 |
Date metadata was last modified | 03:49, 11 December 2023 |
Date and time of digitizing | 03:48, 11 December 2023 |
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