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Dragonfly and CAESAR, a comet sample return mission to 67P/Churyumov–Gerasimenko, were the two finalists for the New Frontiers program Mission 4, [25] [26] and on 27 June 2019, NASA selected Dragonfly for development with a plan to launch in June 2027. [27] [28] On 3 March 2023, Dragonfly passed its preliminary design review (PDR). [29]
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Diagram of an RTG used on the Cassini probe [1] Diagram of a stack of general-purpose heat source modules as used in RTGs Image of a plutonium RTG pellet glowing red hot.. GPHS-RTG or general-purpose heat source — radioisotope thermoelectric generator, is a specific design of the radioisotope thermoelectric generator (RTG) used on US space missions.
During the mission, an uncrewed Orion capsule spent 10 days in a distant retrograde 60,000 kilometers (37,000 mi) orbit around the Moon before returning to Earth. [10] Artemis II, the first crewed mission of the program, will launch four astronauts in 2025 [11] on a free-return flyby of the Moon at a distance of 8,900 kilometers (5,500 mi). [12 ...
Diagram of a MMRTG. The multi-mission radioisotope thermoelectric generator (MMRTG) is a type of radioisotope thermoelectric generator (RTG) developed for NASA space missions [1] such as the Mars Science Laboratory (MSL), under the jurisdiction of the United States Department of Energy's Office of Space and Defense Power Systems within the Office of Nuclear Energy.
General Mission Analysis Tool (GMAT) is open-source space mission analysis software developed by NASA and private industry. [2]It has been used for several missions, including LCROSS, the Lunar Reconnaissance Orbiter, OSIRIS-REx, the Magnetospheric Multiscale Mission, and the Transiting Exoplanet Survey Satellite (TESS) mission.
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An air tasking order (ATO) is a means by which the Joint Forces Air Component Commander (JFACC) controls air forces within a joint operations environment. The ATO is a large document written in United States Message Text Format (USMTF) that lists air sorties for a fixed 24-hour period, with individual call signs, aircraft types, and mission types (e.g. close air support or air refueling).