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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 ...
For the general topics, see Space exploration and Space technology. Space Exploration Technologies Corp., commonly referred to as SpaceX, is an American spacecraft manufacturer, launch service provider, defense contractor and satellite communications company headquartered in Hawthorne, California. The company was founded in 2002 by Elon Musk ...
List of NASA missions. Comparison of NASA Mercury, Gemini, Apollo, and Space Shuttle spacecraft with their launch vehicles. This is a list of NASA missions, both crewed and robotic, since the establishment of NASA in 1957. There are over 80 currently active science missions. [1]
The four-year, full-time undergraduate program maintains a balance between professional majors and those in the arts and sciences. In 2010, it was dubbed "most selective" by U.S. News , [187] admitting few transfer students [179] and 4.1% of its applicants in the 2020–2021 admissions cycle. [188]
Space. Space is a three-dimensional continuum containing positions and directions. [1] In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. [2]
RTX Corporation. RTX Corporation, formerly Raytheon Technologies Corporation, [3] [4] is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia. It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of ...
A crewed exploration of Mars could follow in the mid 2030s. SpaceX, a private company, has also announced plans to land humans on Mars in the 2020s, with the long-term goal of enabling the colonization of Mars . India plans to launch its first crewed flight with a spacecraft called Gaganyaan on a home-grown GSLV Mark III rocket in 2024.
Human spaceflight[edit] In the United States, SpaceX's Dragon 2spacecraft made its first crewed flight to the International Space Stationon 31 May 2020 as part of the Commercial Crew Program,[8]enabling American human orbital spaceflight capability for the first time since the Space Shuttle's retirement in 2011.