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Margaret Elaine Hamilton (née Heafield; born August 17, 1936) is an American computer scientist. She was director of the Software Engineering Division of the MIT Instrumentation Laboratory, which developed on-board flight software for NASA 's Apollo program. She later founded two software companies—Higher Order Software in 1976 and Hamilton Technologies in 1986, both in Cambridge ...
2I/Borisov has a heliocentric orbital eccentricity of 3.36 and is not bound to the Sun. [13] The comet passed through the ecliptic of the Solar System at the end of October 2019, and made its closest approach to the Sun at just over 2 AU on 8 December 2019. [3][14] The comet passed closest to Earth on 28 December 2019. [15] In November 2019, astronomers from Yale University said that the comet ...
Rockets from the Falcon 9 family have been launched 388 times over 14 years, resulting in 385 full successes (99.23%), two in-flight failures (SpaceX CRS-7 and Starlink Group 9-3), and one partial success (SpaceX CRS-1, which delivered its cargo to the International Space Station (ISS), but a secondary payload was stranded in a lower-than-planned orbit).
The "Lunar Exploration and Access to Polar Regions", from the University of Puerto Rico at Mayagüez, was the winning concept. [23] In November 2019 NASA unveiled the name and logo of the space station inspired by the American frontier symbol of the St. Louis Gateway Arch. [24]
Spaceflight. This is the timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Owing to its large size, the timeline is split into smaller articles, one for each year since 1951. There is a separate list for all flights that occurred before 1951. The 2024 list and lists for subsequent years contain ...
The message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo Telescope in Puerto Rico on 16 November 1974. [2][3] The message was aimed at the current location of M13, about 25,000 light years from Earth, because M13 was a large and relatively close collection of stars that was available in the sky at the time and ...
The first Commercial Crew Development test missions flew this year, aiming to restore United States human spaceflight capability following Space Shuttle retirement in 2011. . In an uncrewed test flight, SpaceX SpaceX Dragon 2 successfully flew on a Falcon 9 to the International Space Station on 3 March 2019; the crewed mission was delayed when the recovered capsule exploded during testing on ...
^ Eric Ralph (1 September 2019). "SpaceX planning four more Falcon 9-launched Starlink missions this year, permits show". Teslarati.com. Archived from the original on 17 November 2020. Retrieved 3 September 2019. ^ "Smallsat Rideshare Program". www.spacex.com. Archived from the original on 13 January 2020. Retrieved 2 September 2019.