planetary science(redirected from Planetophysics)
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The branch of astronomy that deals with the phenomena and objects found in the solar system and in planetary systems orbiting stars other than the sun.
planetary scientist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.