from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The branch of astronomy that deals with the planets of the solar system.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the study of planets, planetary systems and the solar system

from The Century Dictionary and Cyclopedia

  • n. The scientific (astronomical) study of the planets.


Sorry, no etymologies found.


  • I've been waffling over how much planetology is really needed to set up the ending, and trying to find a way to cram in an explanation of some backstory that most of my critiquers didn't pick up on.

    8/2/06: Ups and downs

  • PROS: Very interesting sci-fi ideas about life at extremely low temperatures, includes facts based on the very latest science available in biology and planetology, characters were very interesting and well managed.

    January 2009

  • It is Creationists and Creationists alone who have created these catagories in an effort to try to throw out not merely biology but planetology, geology, astronomy, chemistry, and even basic physics (indeed, any field of science that defies their literalistic reading of Genesis) under a straw-man they call “Evolutionism”.

    Pious Atheism « Anglican Samizdat

  • One of the overarching goals of planetary science is what we call "comparative planetology," in which we compare what we see on other planets to what we know about the Earth.

    SETI Institute: Life at the SETI Institute: Cynthia Phillips -- Decipering the Cosmic Puzzle

  • The "Ganymede-Callisto dichotomy," has been a classical problem in comparative planetology, a field of study that seeks to explain why some solar system objects with similar bulk characteristics have radically different appearances.

    One of Jupiter's Moons is Melted! | Universe Today

  • I guess we're all pretending that this stuff is planetology so it belongs on an astronomy web site but sometime we really should get back to the darker matters of falling stars, galactic zoos, elegant strings and the biggest bang.

    Scientist Discusses Latest Report of Rising Global Temperatures | Universe Today

  • According to Jean Lilensten of the Laboratory of Planetology of Grenoble, France, the discovery of weakly polarized red light resulting from collisions with oxygen atoms at approximately 140 miles above the Earth's surface "opens a new field in planetology."

    New Field in Planetology Opened by Aurora Lights Finding

  • AGU scientists are the leaders in research on climate change, climate history, oceanography, atmospheric science, geology, geophysics, and ecological sciences, as well as space sciences such as aeronomy, planetology, and solar dynamics.

    Al Gore Speaks to 6,000 Earth Scientists in San Francisco

  • Then again, I guess it was astronomy and not planetology.

    Philcon Schedule and 2007 Convention and Appearance Thoughts « Whatever

  • I'd fill the time watching STAR TREK on video, or reading planetology books, or goofing off.

    Kenneth Hite's Journal


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