• Thumbnail for Planetary Observer program
    The Planetary Observer program is a cancelled space exploration program designed by NASA to provide cheaper planetary orbiters by using Earth-orbiting...
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  • Thumbnail for Planetary Missions Program Office
    The Planetary Missions Program Office is a division of NASA headquartered at the Marshall Space Flight Center, formed by the agency's Science Mission Directorate...
    56 KB (4,437 words) - 03:15, 2 March 2025
  • Thumbnail for Mars Observer
    information already gathered by the Viking program. Preliminary mission goals expected the probe to provide planetary magnetic field data, detection of certain...
    40 KB (2,350 words) - 18:47, 1 April 2025
  • Thumbnail for Mariner Mark II
    Mariner Mark II (category NASA programs)
    Committee in 1983, the Planetary Observer program, and Mariner Mark II. The Observer program, starting with the Mars Observer, was envisioned as a series...
    4 KB (442 words) - 23:56, 31 December 2024
  • Thumbnail for Exploration of Mercury
    Frontiers program. If selected, it would launch in March 2035 and land in April 2045. Mercury Observer was a cancelled proposal in the Planetary Observer program...
    20 KB (2,254 words) - 21:58, 4 April 2025
  • The Planetary Science Decadal Survey is a serial publication of the United States National Research Council produced for NASA and other United States...
    17 KB (1,657 words) - 23:26, 1 March 2025
  • Thumbnail for Discovery Program
    Planetary Missions Program Office. The cost of each mission is capped at a lower level than missions from NASA's New Frontiers or Flagship Programs....
    120 KB (8,698 words) - 05:26, 9 March 2025
  • not a comet.) From Vision and Voyages for Planetary Science in the Decade 2013–2022 Io Volcano Observer Lunar Geophysical Network Saturn Atmospheric...
    31 KB (3,286 words) - 14:33, 21 March 2025
  • Thumbnail for Planetary flyby
    A planetary flyby is the act of sending a space probe past a planet or a dwarf planet close enough to record scientific data. This is a subset of the...
    32 KB (889 words) - 17:27, 8 April 2025
  • Io Volcano Observer (IVO) is a proposed low-cost mission to explore Jupiter's moon Io to understand tidal heating as a fundamental planetary process. The...
    14 KB (1,428 words) - 23:51, 25 April 2025
  • Thumbnail for Apollo program
    crewed lunar programs Stolen and missing Moon rocks Artemis Program Full text  Full text  "How much did the Apollo program cost?". The Planetary Society....
    153 KB (16,048 words) - 07:24, 24 April 2025
  • in the future. The program was initially known as the Mars mission of China at the early stage. It was later announced as Planetary Exploration of China...
    28 KB (2,511 words) - 11:03, 6 January 2025
  • The Association of Lunar and Planetary Observers (ALPO or A.L.P.O.) is an international scientific and educational organization established in March 1947...
    7 KB (780 words) - 03:22, 16 November 2023
  • Thumbnail for Mars Exploration Program
    climate and natural resources. The program is managed by NASA's Science Mission Directorate by Doug McCuistion of the Planetary Science Division. As a result...
    36 KB (3,060 words) - 19:15, 16 December 2024
  • Thumbnail for Artemis program
    The Artemis program is a Moon exploration program led by the United States' National Aeronautics and Space Administration (NASA), formally established...
    201 KB (19,122 words) - 19:30, 30 April 2025
  • Thumbnail for Planetary protection
    Planetary protection is a guiding principle in the design of an interplanetary mission, aiming to prevent biological contamination of both the target...
    72 KB (8,586 words) - 18:35, 23 April 2025
  • Thumbnail for NASA
    Heliophysics Research Program; exploring bodies throughout the Solar System with advanced robotic spacecraft such as New Horizons and planetary rovers such as...
    223 KB (20,711 words) - 04:00, 30 April 2025
  • Thumbnail for Planetary coordinate system
    A planetary coordinate system (also referred to as planetographic, planetodetic, or planetocentric) is a generalization of the geographic, geodetic, and...
    19 KB (2,166 words) - 18:42, 29 March 2025
  • as Observer". April 2024. Reddy, Vishnu (10 May 2016). "AAS Division For Planetary Sciences Announces 2016 Prize Winners". Division for Planetary Sciences...
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  • Thumbnail for Olympus Mons
    Volcanism on Mars "Olympus Mons". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program. (Center Latitude: 18.65°, Center Longitude: 226...
    30 KB (3,604 words) - 00:12, 4 April 2025
  • Thumbnail for Alan Stern
    Alan Stern (category American planetary scientists)
    developed eight scientific instruments for planetary and near-space research missions and has been a guest observer on numerous NASA satellite observatories...
    30 KB (3,225 words) - 23:12, 15 December 2024
  • spacecraft in the New Millennium Program were originally named "Deep Space" (for missions demonstrating technology for planetary missions) and "Earth Observing"...
    5 KB (448 words) - 14:59, 22 December 2023
  • Thumbnail for Constellation program
    of technologies necessary to enable sustained human presence on other planetary bodies. Constellation began in response to the goals laid out in the Vision...
    49 KB (5,770 words) - 19:15, 8 April 2025
  • Thumbnail for Asteroid impact avoidance
    "NEOShield" project. In November 2021, NASA launched a program with a different goal in terms of planetary defense. Many common methods previously in place...
    125 KB (13,782 words) - 16:10, 10 April 2025
  • Thumbnail for Astrogeology Research Program
    United States Geological Survey concerned with the study of planetary geology and planetary cartography. It is housed in the Shoemaker Building in Flagstaff...
    9 KB (1,031 words) - 15:04, 26 June 2024
  • 23 September 2016. "The 1998 Gene Shoemaker NEO Grant Recipients". The Planetary Society. 1998. Archived from the original on 7 January 2009. Retrieved...
    26 KB (332 words) - 04:30, 8 January 2025
  • Thumbnail for Phobos (moon)
    Gazetteer of Planetary Nomenclature USGS Astrogeology Research Program, Categories Gazetteer of Planetary Nomenclature USGS Astrogeology Research Program, Craters...
    73 KB (7,414 words) - 08:38, 23 April 2025
  • Thumbnail for Very (lunar crater)
    (lunar crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program. Very, Gazetteer of Planetary Nomenclature, International Astronomical...
    5 KB (338 words) - 10:28, 20 August 2024
  • Thumbnail for Luna programme
    Luna programme (redirect from Luna program)
    Anatoly. "Planetary Spacecraft – Moon Missions". RussianSpaceWeb.com. "Comparison of US and Estimated Soviet Expenditures for Space Programs" (PDF). CIA...
    26 KB (1,381 words) - 12:26, 19 April 2025
  • missions on Mars that would also set up a planetary network across Mars and work in conjunction with Mars Observer. The original plan was proposed by NASA...
    6 KB (713 words) - 16:15, 12 January 2025