exoplanet

Noun

exoplanet (plural exoplanets)

1. A planet which exists outside Earth's solar system.
   • More such announcements will likely come in the months to follow, as the first space observatory dedicated to hunting exoplanets, called COROT, begins full operation and researchers complete their calculations.2007 September 1, Alexander Hellemans, “Dangling a COROT”, in Scientific American, volume 297, number 3, archived from the original on 06 Aug 2023, page 32
   • In the past two years, NASA’s Kepler Space Telescope has located nearly 3,000 exoplanet candidates ranging from sub-Earth-sized minions to gas giants that dwarf our own Jupiter. Their densities range from that of styrofoam to iron.2013 May-June, Kevin Heng, “Why Does Nature Form Exoplanets Easily?”, in American Scientist, volume 101, number 3, archived from the original on 07 Aug 2013, page 184

   Synonyms:

   exosolar planet, extrasolar planet