Astronaut List
Modes
Levels of detail in the response - list, normal, detailed
Example - /astronauts/?mode=list
Filters
Parameters - age, age__gt, age__gte, age__lt, age__lte, agency_ids, date_of_birth, date_of_birth__gt, date_of_birth__gte, date_of_birth__lt, date_of_birth__lte, date_of_death, date_of_death__gt, date_of_death__gte, date_of_death__lt, date_of_death__lte, first_flight, first_flight__gt, first_flight__gte, first_flight__lt, first_flight__lte, flights_count, flights_count__gt, flights_count__gte, flights_count__lt, flights_count__lte, has_flown, in_space, is_human, landings_count, landings_count__gt, landings_count__gte, landings_count__lt, landings_count__lte, last_flight, last_flight__gt, last_flight__gte, last_flight__lt, last_flight__lte, nationality, status_ids, type__id
Example - /astronauts/?has_flown=true
Search
Fields searched - agency__abbrev, agency__name, name, nationality__nationality_name
Example - /astronauts/?search=Pesquet
Ordering
Fields - age, date_of_birth, eva_time, flights_count, id, landings_count, last_flight, name, spacewalks_count, status, time_in_space
Example - /astronauts/?ordering=-time_in_space
Number of results
Use limit to control the number of objects in the response (max 100)
Example - /astronauts/?limit=2
Format
Switch to JSON output - /astronauts/?format=json
Help
Find all the FAQs and support links on the documentation homepage - lldev.thespacedevs.com/docs
GET /2.3.0/astronauts/?format=api&offset=790&ordering=flights_count
{ "count": 824, "next": "https://lldev.thespacedevs.com/2.3.0/astronauts/?format=api&limit=10&offset=800&ordering=flights_count", "previous": "https://lldev.thespacedevs.com/2.3.0/astronauts/?format=api&limit=10&offset=780&ordering=flights_count", "results": [ { "id": 374, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/374/?format=api", "name": "Bonnie J. Dunbar", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 727, "name": "[AUTO] Bonnie J. Dunbar - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/bonnie2520j.2520dunbar_image_20181202120831.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190626.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P50DT8H24M3S", "eva_time": "P0D", "age": 76, "date_of_birth": "1949-03-03", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Bonnie Jeanne Dunbar is a former NASA astronaut. She retired from NASA in September 2005 then served as president and CEO of The Museum of Flight until April 2010. From January 2013 - December 2015, Dr. Dunbar lead the University of Houston's STEM Center (science, technology, engineering and math) and was a faculty member in the Cullen College of Engineering.[1] Currently, she is a professor of aerospace engineering at Texas A&M University and serves as Director of the Institute for Engineering Education and Innovation (IEEI), a joint entity in the Texas A&M Engineering Experiment Station (TEES) and the Dwight Look College of Engineering at Texas A&M University.", "wiki": "https://en.wikipedia.org/wiki/Bonnie_J._Dunbar", "last_flight": "1998-01-23T02:48:15Z", "first_flight": "1985-10-30T17:00:00Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 0 }, { "id": 168, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/168/?format=api", "name": "Oleg Kononenko", "status": { "id": 1, "name": "Active" }, "agency": { "response_mode": "list", "id": 63, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "abbrev": "RFSA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 566, "name": "[AUTO] Oleg Kononenko - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/oleg2520kononenko_image_20181129233442.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190205.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P1110DT12H9M55S", "eva_time": "P1DT18H30M", "age": 61, "date_of_birth": "1964-06-21", "date_of_death": null, "nationality": [ { "id": 5, "name": "Russia", "alpha_2_code": "RU", "alpha_3_code": "RUS", "nationality_name": "Russian", "nationality_name_composed": "Russo" } ], "bio": "Oleg Dmitriyevich Kononenko (Russian: Олег Дмитриевич Кононенко) is a Russian cosmonaut. He has flown to the International Space Station three times, as a flight engineer for Expedition 17 aboard Soyuz TMA-12, as a flight engineer on Expedition 30 and commander of Expedition 31 aboard Soyuz TMA-03M, and as a flight engineer on Expedition 44 and Expedition 45 aboard Soyuz TMA-17M. Kononenko has accumulated over 533 days in orbit during three long duration flights to ISS.", "wiki": "https://en.wikipedia.org/wiki/Oleg_Kononenko", "last_flight": "2023-09-15T15:44:35Z", "first_flight": "2008-04-08T11:16:39Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 7 }, { "id": 132, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/132/?format=api", "name": "Susan Helms", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 202, "name": "[AUTO] Susan Helms - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/susan2520helms_image_20181129204438.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185213.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P210DT23H4M18S", "eva_time": "PT8H56M", "age": 67, "date_of_birth": "1958-02-26", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Susan Jane Helms is a retired lieutenant general in the United States Air Force and a former NASA astronaut. Helms was a crew member on five Space Shuttle missions and was a resident of the International Space Station (ISS) for over five months in 2001. While participating in ISS Expedition 2, she and Jim Voss conducted an 8-hour and 56 minute spacewalk, the world record.", "wiki": "https://en.wikipedia.org/wiki/Susan_Helms", "last_flight": "2001-03-08T11:42:09Z", "first_flight": "1993-01-13T13:59:30Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 1 }, { "id": 449, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/449/?format=api", "name": "John M. Grunsfeld", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 829, "name": "[AUTO] John M. Grunsfeld - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/john2520m.2520grunsfeld_image_20181202144850.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190903.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P58DT15H3M26S", "eva_time": "P2DT10H30M", "age": 66, "date_of_birth": "1958-10-10", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. After retiring from NASA in 2009, he served as the Deputy Director of the Space Telescope Science Institute in Baltimore, Maryland. In January 2012, he returned to NASA and served as associate administrator of NASA's Science Mission Directorate (SMD). Grunsfeld announced his retirement from NASA in April 2016.", "wiki": "https://en.wikipedia.org/wiki/John_M._Grunsfeld", "last_flight": "2009-05-11T18:01:56Z", "first_flight": "1995-03-02T06:38:13Z", "social_media_links": [ { "id": 85, "social_media": { "id": 1, "name": "X", "url": "https://x.com", "logo": { "id": 2320, "name": "X logo", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/x_logo_image_20250211191027.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/x_logo_image_thumbnail_20250211191027.jpeg", "credit": "X", "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] } }, "url": "https://twitter.com/SciAstro" } ], "flights_count": 5, "landings_count": 5, "spacewalks_count": 8 }, { "id": 409, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/409/?format=api", "name": "Ken Bowersox", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 788, "name": "[AUTO] Ken Bowersox - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/ken_bowersox_image_20220911034246.jpeg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190759.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P211DT14H10M33S", "eva_time": "PT13H17M", "age": 68, "date_of_birth": "1956-11-14", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Kenneth Dwane \"Sox\" Bowersox is a United States Navy officer, and a former NASA astronaut. He is a veteran of five Space Shuttle launches and an extended stay aboard the International Space Station. When he launched on STS-73 at the age of 38 years and 11 months, he became the youngest person ever to command a Space Shuttle vehicle.", "wiki": "https://en.wikipedia.org/wiki/Ken_Bowersox", "last_flight": "2002-11-24T00:49:47Z", "first_flight": "1992-06-25T16:12:23Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 2 }, { "id": 454, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/454/?format=api", "name": "Scott E. Parazynski", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 451, "name": "[AUTO] Scott E. Parazynski - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/scott2520e.2520parazynski_image_20181202145657.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185903.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P57DT15H31M23S", "eva_time": "P1DT23H5M", "age": 64, "date_of_birth": "1961-07-28", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Scott Edward Parazynski is an American physician and a former NASA astronaut. A veteran of five Space Shuttle flights and seven spacewalks, Parazynski's latest mission was STS-120 in October, 2007 – highlighted by a dramatic, unplanned EVA to repair a live solar array. In May 2016 he was inducted into the US Astronaut Hall of Fame. He retired from NASA in March 2009 to pursue entrepreneurial opportunities in the private sector, and he is currently the CEO of a technology start-up. He is the first person to have both flown in space and summited Mount Everest, the highest point on Earth.", "wiki": "https://en.wikipedia.org/wiki/Scott_E._Parazynski", "last_flight": "2007-10-23T15:38:19Z", "first_flight": "1994-11-03T16:59:43Z", "social_media_links": [ { "id": 82, "social_media": { "id": 1, "name": "X", "url": "https://x.com", "logo": { "id": 2320, "name": "X logo", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/x_logo_image_20250211191027.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/x_logo_image_thumbnail_20250211191027.jpeg", "credit": "X", "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] } }, "url": "https://twitter.com/AstroDocScott" }, { "id": 83, "social_media": { "id": 2, "name": "Instagram", "url": "https://instagram.com", "logo": { "id": 2322, "name": "Instagram logo", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/instagram_logo_image_20250211191139.png", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/instagram_logo_image_thumbnail_20250211191139.png", "credit": "Instagram", "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] } }, "url": "https://www.instagram.com/astrodocscott/" } ], "flights_count": 5, "landings_count": 5, "spacewalks_count": 7 }, { "id": 305, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/305/?format=api", "name": "Joe Engle", "status": { "id": 11, "name": "Deceased" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 479, "name": "[AUTO] Joe Engle - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/joe2520engle_image_20181202090904.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185948.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P9DT8H59M59S", "eva_time": "P0D", "age": 91, "date_of_birth": "1932-08-26", "date_of_death": "2024-07-10", "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Joe Henry Engle was an American pilot who served in the United States Air Force, test pilot for the North American X-15 program, aeronautical engineer, and a NASA astronaut.\r\n\r\nEngle test-flew the joint NASA-Air Force X-15 rocket airplane. During the course of testing, Engle earned his USAF Astronaut Wings, a Distinguished Flying Cross and other awards. Engle was selected by NASA in 1966 for the Apollo program, and was originally scheduled to land on the Moon as Lunar Module Pilot on Apollo 17, but was bumped when later flights were cancelled, so that geologist-astronaut Harrison H. Schmitt could fly.\r\n\r\nHe subsequently became one of the first astronauts in the Space Shuttle program, having flight tested the Space Shuttle Enterprise in 1977. He was Commander of the second orbital test flight of the Space Shuttle Columbia in 1981.", "wiki": "https://en.wikipedia.org/wiki/Joe_Engle", "last_flight": "1985-08-27T10:58:01Z", "first_flight": "1965-06-29T18:21:00Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 0 }, { "id": 352, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/352/?format=api", "name": "Shannon Lucid", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 830, "name": "[AUTO] Shannon Lucid - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/shannon2520lucid_image_20181202104248.jpeg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190904.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P223DT2H50M6S", "eva_time": "P0D", "age": 82, "date_of_birth": "1943-01-14", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Shannon Matilda Wells Lucid is an American biochemist and a retired NASA astronaut. At one time, she held the record for the longest duration stay in space by an American, as well as by a woman. She has flown in space five times including a prolonged mission aboard the Mir space station in 1996; she is the only American woman to have served aboard Mir.", "wiki": "https://en.wikipedia.org/wiki/Shannon_Lucid", "last_flight": "1996-03-22T08:13:04Z", "first_flight": "1985-06-17T11:33:00Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 0 }, { "id": 405, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/405/?format=api", "name": "Tamara E. Jernigan", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 44, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "abbrev": "NASA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 702, "name": "[AUTO] Tamara E. Jernigan - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/tamara2520e.2520jernigan_image_20181202140101.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190539.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P63DT1H23M47S", "eva_time": "PT7H55M", "age": 66, "date_of_birth": "1959-05-07", "date_of_death": null, "nationality": [ { "id": 2, "name": "United States of America", "alpha_2_code": "US", "alpha_3_code": "USA", "nationality_name": "American", "nationality_name_composed": "Americano" } ], "bio": "Tamara Elizabeth \"Tammy\" Jernigan, Ph.D. is an American scientist and former NASA astronaut and a veteran of five shuttle missions.", "wiki": "https://en.wikipedia.org/wiki/Tamara_E._Jernigan", "last_flight": "1999-05-27T10:49:42Z", "first_flight": "1991-06-05T13:24:51Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 1 }, { "id": 97, "url": "https://lldev.thespacedevs.com/2.3.0/astronauts/97/?format=api", "name": "Vladimir Dzhanibekov", "status": { "id": 2, "name": "Retired" }, "agency": { "response_mode": "list", "id": 63, "url": "https://lldev.thespacedevs.com/2.3.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "abbrev": "RFSA", "type": { "id": 1, "name": "Government" } }, "image": { "id": 281, "name": "[AUTO] Vladimir Dzhanibekov - image", "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/vladimir2520dzhanibekov_image_20181128230017.jpg", "thumbnail_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185427.jpeg", "credit": null, "license": { "id": 1, "name": "Unknown", "priority": 9, "link": null }, "single_use": true, "variants": [] }, "response_mode": "normal", "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P145DT15H58M35S", "eva_time": "PT8H34M", "age": 83, "date_of_birth": "1942-05-13", "date_of_death": null, "nationality": [ { "id": 5, "name": "Russia", "alpha_2_code": "RU", "alpha_3_code": "RUS", "nationality_name": "Russian", "nationality_name_composed": "Russo" } ], "bio": "Vladimir Aleksandrovich Dzhanibekov (Russian: Владимир Александрович Джанибеков, born 13 May 1942) is a former cosmonaut who made five flights.\r\n\r\nDzhanibekov made five flights: Soyuz 27, Soyuz 39, Soyuz T-6, Soyuz T-12 and Soyuz T-13. In all he had spent 145 days, 15 hours and 56 minutes in space over these five missions. He had also performed two EVAs with a total time of 8 hours and 35 minutes. In 1985 he noted the effects of the tennis racket theorem, subsequently also called the Dzhanibekov effect, by showing that an object's second principal axis is unstable while in free-fall rotation.", "wiki": "https://en.wikipedia.org/wiki/Vladimir_Dzhanibekov", "last_flight": "1985-06-06T06:39:52Z", "first_flight": "1978-01-10T12:26:00Z", "social_media_links": [], "flights_count": 5, "landings_count": 5, "spacewalks_count": 2 } ] }
