Credit: NASA's Goddard Space Flight Center/CI Lab",
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"description": "NASA's Fermi Gamma-ray Space Telescope is a powerful space observatory that opens a wide window on the universe. Gamma rays are the highest-energy form of light, and the gamma-ray sky is spectacularly different from the one we perceive with our own eyes. Fermi enables scientists to answer questions across a broad range of topics, from the origin of cosmic rays and multimessenger astronomy to searching for signals of new phenomena in physics.
The animations and images on these pages highlight a new, more accurate model of the spacecraft.",
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Credit: NASA's Goddard Space Flight Center/CI Lab
Alt text: A view of Fermi highlighting the back of its solar panels
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Credit: NASA's Goddard Space Flight Center/CI Lab
Alt text: A view of Fermi from the side
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Alt text: A view of Fermi with panels seen from the Sun-facing side
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Credit: NASA's Goddard Space Flight Center/CI Lab
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Credit: NASA's Goddard Space Flight Center/CI Lab
Alt text: A view of Fermi as seen from below
Image description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with three protruding pins visible. A dark-colored rectangular antenna extends downward at an angle, and its central part contains a wide gray strip running top to bottom.", "items": [ { "id": 490520, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1157681, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014881/Still_4.0000_print.jpg", "filename": "Still_4.0000_print.jpg", "media_type": "Image", "alt_text": "A view of Fermi from below at an oblique angle.Credit: NASA's Goddard Space Flight Center/CI LabAlt text: A view of Fermi as seen from belowImage description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with three protruding pins visible. A dark-colored rectangular antenna extends downward at an angle, and its central part contains a wide gray strip running top to bottom.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 490512, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1157673, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014881/Still_4.0000.png", "filename": "Still_4.0000.png", "media_type": "Image", "alt_text": "A view of Fermi from below at an oblique angle.Credit: NASA's Goddard Space Flight Center/CI LabAlt text: A view of Fermi as seen from belowImage description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with three protruding pins visible. A dark-colored rectangular antenna extends downward at an angle, and its central part contains a wide gray strip running top to bottom.", "width": 3840, "height": 2160, "pixels": 8294400 } } ], "extra_data": {} }, { "id": 378718, "url": "https://svs.gsfc.nasa.gov/14881/#media_group_378718", "widget": "Single image", "title": "", "caption": "", "description": "A still showing Fermi from above at an oblique angle, with solar panels facing left.
Credit: NASA's Goddard Space Flight Center/CI Lab
Alt text: A view of Fermi as seen from above
Image description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with four protruding pins visible. A dark-colored rectangular antenna extending downward is mostly obscured by the satellite's main body. ", "items": [ { "id": 490521, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1157682, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014881/Still_5.0000_print.jpg", "filename": "Still_5.0000_print.jpg", "media_type": "Image", "alt_text": "A still showing Fermi from above at an oblique angle, with solar panels facing left.Credit: NASA's Goddard Space Flight Center/CI LabAlt text: A view of Fermi as seen from aboveImage description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with four protruding pins visible. A dark-colored rectangular antenna extending downward is mostly obscured by the satellite's main body. ", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 490513, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1157674, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014881/Still_5.0000.png", "filename": "Still_5.0000.png", "media_type": "Image", "alt_text": "A still showing Fermi from above at an oblique angle, with solar panels facing left.Credit: NASA's Goddard Space Flight Center/CI LabAlt text: A view of Fermi as seen from aboveImage description: A half-gold, half-silver satellite sits at center, with large, blue-black, rectangular panels extending left and right like wings. The panels have a grid pattern and the largest ones have four small holes. The top half of the satellite is a silvery rectangular box. The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with four protruding pins visible. A dark-colored rectangular antenna extending downward is mostly obscured by the satellite's main body. ", "width": 3840, "height": 2160, "pixels": 8294400 } } ], "extra_data": {} }, { "id": 378719, "url": "https://svs.gsfc.nasa.gov/14881/#media_group_378719", "widget": "Single image", "title": "", "caption": "", "description": "A still showing Fermi from above at an oblique angle, with solar panels facing right.
Credit: NASA's Goddard Space Flight Center/CI Lab
Alt text: A view of Fermi as seen from above
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The bottom half is gold and peppered with white and silver elements. On the solar panel side of the gold box is a silvery rectangular plate with four protruding pins visible. 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At that altitude, the observatory will circle Earth every 90 minutes. In sky-survey mode, GLAST will be able to view the entire sky in just two orbits, or about 3 hours. Because gamma rays in the GLAST's energy band are unable to penetrate the Earth's atmostphere, it is essential that GLAST perform its observations from space. || ", "release_date": "2007-09-14T00:00:00-04:00", "update_date": "2025-06-23T00:18:18.925958-04:00", "main_image": { "id": 507471, "url": "https://svs.gsfc.nasa.gov/vis/a020000/a020100/a020119/glaP046400227_print.jpg", "filename": "glaP046400227_print.jpg", "media_type": "Image", "alt_text": "This beauty shot begins with the earth in full view and pans to reveal the spacecraft in orbit. ", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 20120, "url": "https://svs.gsfc.nasa.gov/20120/", "page_type": "Animation", "title": "360 Degrees of GLAST", "description": "GLAST will carry two instruments: the Large Area Telescope (LAT) and the GLAST Burst Monitor (GBM). The LAT is GLAST's primary instrument and consists of four components: the Tracker, the Calorimeter, the Anticoincidence Detector (ACD), and the Data Acquisition System (DAQ). These instrument components working together will detect gamma rays by using Einstein's famous equation (E=mc(squared) in a technique known as pair production. The GLAST Burst Monitor is a complementary instrument and consists of low-energy detectors, high-energy detectors, and data processing unit. The GBM can see all directions at once, except for the area where Earth blocks its view. When the GBM detects a bright gamma-ray burst, it immediately sends a signal to the LAT to observe that area of the sky. || ", "release_date": "2007-09-14T00:00:00-04:00", "update_date": "2023-05-03T13:55:35.292205-04:00", "main_image": { "id": 507503, "url": "https://svs.gsfc.nasa.gov/vis/a020000/a020100/a020120/glaR000100027_print.jpg", "filename": "glaR000100027_print.jpg", "media_type": "Image", "alt_text": "This beauty shot provides a 360-degree view of the spacecraft without a simulated gamma ray sky. ", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }