Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "items": [ { "id": 237531, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394060, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/HD_21749c_Still.png", "filename": "HD_21749c_Still.png", "media_type": "Image", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 1792, "height": 1057, "pixels": 1894144 } }, { "id": 237532, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394063, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/HD_21749c_Still_print.jpg", "filename": "HD_21749c_Still_print.jpg", "media_type": "Image", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 1024, "height": 604, "pixels": 618496 } }, { "id": 237533, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394064, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/HD_21749c_Still_searchweb.png", "filename": "HD_21749c_Still_searchweb.png", "media_type": "Image", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 237534, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394065, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/HD_21749c_Still_thm.png", "filename": "HD_21749c_Still_thm.png", "media_type": "Image", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 237530, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394062, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/TESS_Exoplanet_HD_21749c_v2.mp4", "filename": "TESS_Exoplanet_HD_21749c_v2.mp4", "media_type": "Movie", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 237535, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394066, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/TESS_Exoplanet_HD_21749c_v2.webm", "filename": "TESS_Exoplanet_HD_21749c_v2.webm", "media_type": "Movie", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 237529, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 394061, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013269/TESS_Exoplanet_HD_21749c_v2.mov", "filename": "TESS_Exoplanet_HD_21749c_v2.mov", "media_type": "Movie", "alt_text": "This animation shows HD 21749 c, an exoplanet about 89% Earth’s diameter. It orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum. A second, bluish exoplanet in the same system, HD 21749 b, appears briefly in the background.Credit: NASA/JPL-Caltech/R. Hurt (IPAC)", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 466390, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1149307, "url": "https://svs.gsfc.nasa.gov/hyperwall/data/events/2022/20220404-b28/getty/exoplanet_HD-21749-c.hwshow/svs/db/hyperwall/data/events/2024/20241112-b28/Getty/Tess_trappist_compiled.hwshow", "filename": "Tess_trappist_compiled.hwshow", "media_type": "HyperwallShow", "alt_text": "", "width": 0, "height": 0, "pixels": null } } ], "extra_data": {} }, { "id": 322989, "url": "https://svs.gsfc.nasa.gov/13269/#media_group_322989", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size world, named HD 21749 c. It’s about 89% of Earth’s size and orbits HD 21749, a K-type star with about 70% of the Sun’s mass located 53 light-years away in the southern constellation Reticulum, and is the second planet TESS has identified in the system. The new world is likely rocky and circles very close to its star, completing one orbit in just under eight days. The planet’s surface is likely very hot, with temperatures perhaps as high as 800 F (427 C). HD 21749 c's host star is bright and relatively nearby, and is therefore well suited to more detailed follow-up studies, which could provide critical information about the planet’s properties.", "items": [], "extra_data": {} }, { "id": 322991, "url": "https://svs.gsfc.nasa.gov/13269/#media_group_322991", "widget": "Basic text", "title": "For More Information", "caption": "", "description": "See [https://www.nasa.gov/feature/goddard/2019/nasa-s-tess-discovers-its-first-earth-size-planet](https://www.nasa.gov/feature/goddard/2019/nasa-s-tess-discovers-its-first-earth-size-planet)", "items": [], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "NASA Astrophysics" ], "credits": [ { "role": "Animator", "people": [ { "name": "Robert Hurt", "employer": "Caltech-IPAC" } ] }, { "role": "Producer", "people": [ { "name": "Scott Wiessinger", "employer": "USRA" } ] }, { "role": "Science writer", "people": [ { "name": "Francis Reddy", "employer": "University of Maryland College Park" } ] } ], "missions": [ "TESS" ], "series": [ "Astrophysics Animations" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Universe" ], "keywords": [ "Ast", "Astrophysics", "Exoplanet", "TESS" ], "recommended_pages": [], "related": [ { "id": 13297, "url": "https://svs.gsfc.nasa.gov/13297/", "page_type": "Produced Video", "title": "Animations of TESS's First Exoplanets", "description": "Illustration of the exoplanet LHS 3844 b. It is a rocky planet about 1.3 times Earth’s size located about 49 light-years away in the constellation Indus, making it among the closest transiting exoplanets known. The star is a cool M-type dwarf star about one-fifth the size of our Sun. Completing an orbit every 11 hours, the planet lies so close to its star that some of its rocky surface on the daytime side may form pools of molten lava.Credit: NASA/MIT/TESS || LHS3844b_Still_print.jpg (1024x1023) [170.9 KB] || LHS3844b_Still.png (2144x2142) [6.8 MB] || LHS3844b_Still_searchweb.png (320x180) [83.2 KB] || LHS3844b_Still_thm.png (80x40) [5.5 KB] || LHS3844b_4K_1.mp4 (1080x1080) [49.4 MB] || LHS3844b_4K_1.webm (1080x1080) [4.6 MB] || LHS3844b_4K.mp4 (4096x4096) [482.9 MB] || LHS3844b_4K_2.mp4 (4096x4096) [98.6 MB] || ", "release_date": "2019-09-02T00:00:00-04:00", "update_date": "2023-05-03T13:45:40.185332-04:00", "main_image": { "id": 393543, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013297/LHS3844b_Still_print.jpg", "filename": "LHS3844b_Still_print.jpg", "media_type": "Image", "alt_text": "Illustration of the exoplanet LHS 3844 b. It is a rocky planet about 1.3 times Earth’s size located about 49 light-years away in the constellation Indus, making it among the closest transiting exoplanets known. The star is a cool M-type dwarf star about one-fifth the size of our Sun. Completing an orbit every 11 hours, the planet lies so close to its star that some of its rocky surface on the daytime side may form pools of molten lava.Credit: NASA/MIT/TESS", "width": 1024, "height": 1023, "pixels": 1047552 } }, { "id": 13069, "url": "https://svs.gsfc.nasa.gov/13069/", "page_type": "Produced Video", "title": "NASA’s TESS Releases First Science Image", "description": "The Transiting Exoplanet Survey Satellite (TESS) took this snapshot of the Large Magellanic Cloud (right) and the bright star R Doradus (left) with just a single detector of one of its cameras on Tuesday, Aug. 7. The frame is part of a swath of the southern sky TESS captured in its “first light” science image as part of its initial round of data collection.Credit: NASA/MIT/TESS || TESSFLleadimagefeature.jpg (987x1019) [839.4 KB] || ", "release_date": "2018-09-17T13:00:00-04:00", "update_date": "2025-02-16T23:16:08.345948-05:00", "main_image": { "id": 400384, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013000/a013069/TESS_First__Light_Quarter_print.jpg", "filename": "TESS_First__Light_Quarter_print.jpg", "media_type": "Image", "alt_text": "The Transiting Exoplanet Survey Satellite (TESS) captured this strip of stars and galaxies in the southern sky during one 30-minute period on Tuesday, Aug. 7. Created by combining the view from all four of its cameras, this is TESS’ “first light,” from the first observing sector that will be used for identifying planets around other stars. Notable features in this swath of the southern sky include the Large and Small Magellanic Clouds and a globular cluster called NGC 104, also known as 47 Tucanae. The brightest stars in the image, Beta Gruis and R Doradus, saturated an entire column of camera detector pixels on the satellite’s second and fourth cameras. No object labels.Credit: NASA/MIT/TESS", "width": 1024, "height": 768, "pixels": 786432 } } ], "sources": [], "products": [ { "id": 14802, "url": "https://svs.gsfc.nasa.gov/14802/", "page_type": "Produced Video", "title": "Earth to Space: A National Symphony Orchestra Concert", "description": "Explore the vastness of space with music inspired by the planets, stars, and beyond! In anticipation of the upcoming voyage of Artemis II, the National Symphony Orchestra celebrates the discoveries and beauty of space through music and images produced by NASA. Explore this page to learn more about the visuals used in the Kennedy Center's 2025 Earth to Space Festival NSO Family Concert.", "release_date": "2025-03-28T14:31:59-04:00", "update_date": "2025-03-28T14:31:07.685909-04:00", "main_image": { "id": 1095591, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014500/a014523/STScI-01EVT8F67B9Y3QAJ0DFB1KYQDT.jpg", "filename": "STScI-01EVT8F67B9Y3QAJ0DFB1KYQDT.jpg", "media_type": "Image", "alt_text": "This artist's concept shows how the universe might have looked when it was less than a billion years old, about 7 percent of its current age. Star formation voraciously consumed primordial hydrogen, churning out myriad stars at an unprecedented rate. NASA’s Nancy Grace Roman Space Telescope will peer back to the universe’s early stages to understand how it transitioned from being opaque to the brilliant starscape we see today.\rCredit: NASA, ESA, and A. Schaller (for STScI)\rAlt text: This illustration depicts a mesmerizing and chaotic cosmic scene, filled with misshapen clumps and twists of white and purplish material on a black background. Most of the clumps are small, but a particularly large conglomeration extends from the lower-right of the frame up to the middle and nearly all the way across to the left side, sort of like billowing clouds. It's full of bulbous shapes outlined with glowing lavender tendrils. Bright groups of stars are concentrated in the center of each lobe, and also scattered more sparsely throughout the surrounding area.", "width": 3000, "height": 2375, "pixels": 7125000 } } ], "newer_versions": [], "older_versions": [], "alternate_versions": [] }