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Retrieved 7 December2019. ^McDowell, Jonathan [@planet4589](6 December 2019). "The Kosmos-2542 satellite, in a 368 x 857 km x 97 deg orbit, deployed a subsatellite today (likely codenamed Kosmos-2543). The Russian Defense Ministry says it's an inspector satellite; the mission appears to repeat Kosmos-2519/2521.
10 August 2015: First food grown in space eaten . USA (NASA) Japan (JAXA) International Space Station: 14 September 2015: First observation of gravitational waves. LSC – EGO: LIGO – Virgo: 23 November 2015: First propulsive landing of a rocket after sending something into space . USA (Blue Origin) New Shepard 2
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 ...
2015 in spaceflight. In 2015, the maiden spaceflights of the Chinese Long March 6 and Long March 11 launch vehicles took place. A total of 87 orbital launches were attempted in 2015, of which 82 were successful, one was partially successful and four were failures. The year also saw seven EVAs by ISS astronauts.
Last launch. 18 May 2024; 2 days ago. ( 2024-05-18) Starlink is a satellite internet constellation operated by SpaceX [4] [5] providing satellite Internet access to most of the Earth. [6] [7] Starshield is a classified derivative of Starlink designed to be operated for and can host payloads for military or government purposes.
Creola Katherine Johnson ( née Coleman; August 26, 1918 – February 24, 2020) was an American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights. [1] [2] During her 33-year career at NASA and its predecessor, she earned a reputation for ...
The Julian date (JD) of any instant is the Julian day number plus the fraction of a day since the preceding noon in Universal Time. Julian dates are expressed as a Julian day number with a decimal fraction added. [8] For example, the Julian Date for 00:30:00.0 UT January 1, 2013, is 2 456 293.520 833. [9]
Unix time. 1546300800 – 1577836799. 2019 ( MMXIX) was a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium and the 21st century, and the 10th and last year of the 2010s decade.