Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to planetology: planetologist


The branch of astronomy that deals with the composition and structure of the planets of the solar system and with the relationships, similarities, and differences between them.

plan′e·to·log′i·cal (plăn′ĭ-tl-ŏj′ĭ-kəl) adj.
plan′e·tol′o·gist n.


(Astronomy) astronomy the study of the origin, composition, and distribution of matter in the planets


(ˌplæn ɪˈtɒl ə dʒi)

the study of the planets.
plan`e•to•log′i•cal (-tlˈɒdʒ ɪ kəl) adj.
plan`e′tol′o•gist, n.


the branch of astronomy that studies the planets. — planetologist, n. — planetologic, planetological, adj.
See also: Astronomy
References in periodicals archive ?
The main difference from Soviet missions, which brought back space material to Earth, is that research will be carried out directly on board the probe," explained Vladislav Tretyakov, a researcher in nuclear planetology at the Russian Space Research Institute [IKI].
His team, which includes researchers from the National Centre for Atmospheric Research (NCAR) and the Research Institute in Astrophysics and Planetology, used combined data from a telescope based in Hawaii and NASA's solar satellite to investigate powerful magnetic waves, known as Alfven waves, where the Sun's wind originates.
Planetary scientists, including Ed Scott at the University of Hawaii, Manoa's Institute for Geophysics and Planetology, have found that a significant number of these altered meteorites have ages clustering at 100,000,000 years after the solar system's birth--the true age of the moon-forming impact, they maintain.
The contract is for the provision of electronic components cabling service on printed circuits and implementation of wired strands on behalf of the Astrophysics Research Institute and Planetology (IRAP).
The visible and infrared mapping spectrometer was provided by the Italian Space Agency and the Italian National Institute for Astrophysics, was built by Selex ES, and is managed by Italy's National Institute for Astrophysics and Planetology in Rome.
These measurements have opened the door for a new kind of comparative planetology," said team leader Jacob Bean of the University of Chicago.
Jeffrey Taylor, both at the UHM Hawai'i Institute of Geophysics and Planetology, compiled water measurements from lunar samples performed by colleagues from around the world, as well as their own.
The six manned lunar missions, supplemented by robot probes to the planets, have advanced the earth sciences through a new field of "comparative planetology.
Direct imaging of planets is an extremely challenging technique that requires the most advanced instruments, whether ground-based or in space," said lead investigator Julien Rameau of France's Institute of Planetology and Astrophysics in Grenoble (IPAG).
6 billion years old, "it's like a 1-year-old baby versus a 45-year-old man," says astrophysicist Philippe Delorme of the Institute of Planetology and Astrophysics of Grenoble in France, who led the research team.
Condie (earth and environmental science, New Mexico Tech) synthesizes data and research from a wide variety of fields--geophysics, planetology, oceanography, paleoclimatology, geology--to present a systematic view of the Earth as a singular planetary system of animate and inanimate processes.
1) lnstitut de veille sanitaire, Departement Sante Environnement, Saint-Maurice, France; (2) Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, Hawaii, USA; (3) Geomer, UMR-6554 LETG (Littoral, Environnement, Teledetection, Geomatique) CNRS (Centre national de Ia recherche scientifique), Institut Universitaire Europeen de Ia Mer, Plouzane, France