The Planetary Observer program is a cancelled space exploration program designed by NASA to provide cheaper planetary orbiters by using Earth-orbiting...

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...

information already gathered by the Viking program. Preliminary mission goals expected the probe to provide planetary magnetic field data, detection of certain...

Committee in 1983, the Planetary Observer program, and Mariner Mark II. The Observer program, starting with the Mars Observer, was envisioned as a series...

to be a lander.[citation needed] Mercury Observer was a cancelled proposal in the Planetary Observer program. BepiColombo was designed to complement the...

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....

not a comet.) From Vision and Voyages for Planetary Science in the Decade 2013–2022 Io Volcano Observer Lunar Geophysical Network Saturn Atmospheric...

The Planetary Science Decadal Survey is a serial publication of the United States National Research Council produced for NASA and other United States...

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...

Heliophysics Research Program; exploring bodies throughout the Solar System with advanced robotic spacecraft such as New Horizons and planetary rovers such as...

Planetary boundaries are a framework to describe limits to the impacts of human activities on the Earth system. Beyond these limits, the environment may...

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...

The Association of Lunar and Planetary Observers (ALPO or A.L.P.O.) is an international scientific and educational organization established in March 1947...

Ceres, Pluto, and Eris in the category of dwarf planet, although many planetary scientists have continued to apply the term planet more broadly. Further...

developed eight scientific instruments for planetary and near-space research missions and has been a guest observer on numerous NASA satellite observatories...

of technologies necessary to enable sustained human presence on other planetary bodies. Constellation began in response to the goals laid out in the Vision...

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...

A planetary coordinate system (also referred to as planetographic, planetodetic, or planetocentric) is a generalization of the geographic, geodetic, and...

of Planetary Nomenclature. USGS Astrogeology Research Program. "Voltaire". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program. "Target:...

Dreier, Casey (19 May 2020). "NASA's Commercial Crew Program is a Fantastic Deal". The Planetary Society. Archived from the original on 27 June 2020....

Planetary protection is a guiding principle in the design of an interplanetary mission, aiming to prevent biological contamination of both the target...

Gazetteer of Planetary Nomenclature USGS Astrogeology Research Program, Categories Gazetteer of Planetary Nomenclature USGS Astrogeology Research Program, Craters...

crewed lunar programs Stolen and missing Moon rocks Artemis Program Full text  Full text  "How much did the Apollo program cost?". The Planetary Society....

Group for Planetary System Nomenclature (WGPSN), which maintains the astronomical naming conventions and planetary nomenclature for planetary bodies, and...

The Artemis program is a Moon exploration program that is led by the United States' NASA and was formally established in 2017 via Space Policy Directive...

Jessie; Farnocchia, Davide; et al. (May 31, 2022). "Apophis Planetary Defense Campaign". The Planetary Science Journal. 3 (5): 123. Bibcode:2022PSJ.....3..123R...

project was funded through NASA's Planetary Defense Coordination Office, managed by NASA's Planetary Missions Program Office at the Marshall Space Flight...

and time. Definition of the planetary surface and its properties. Chemical composition of the low atmosphere and the planetary surface. Ionospheric data...

Velocity Estimation". Google Docs. "Gazetteer of Planetary Nomenclature". USGS Astrogeology Research Program. Lakdawalla, Emily (9 March 2009). "Mars Reconnaissance...

Anatoly. "Planetary Spacecraft – Moon Missions". RussianSpaceWeb.com. "Comparison of US and Estimated Soviet Expenditures for Space Programs" (PDF). CIA...