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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The point of a planet's or comet's orbit most distant from the sun - opposed to perihelion . (plural)

Usage examples (8)
  • As it looks now, you would think there are two perihelia and two aphelia...
  • Jupiter in aphelia in 2011, the strongest solar maximum per last 400 years - forecasted on 2011, 2012 even by official astronomers.
  • Their aphelia -- or the farthest points of their orbits from the sun -- are usually, if not invariably, situated so near to the path either of
  • The two last-named comets would likewise seem to have a period of revolution not exceeding five or six years, and their aphelia are in the vicinity of Jupiter's orbit. for more
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