Definition of superior planet in English:

superior planet

Syllabification: su·pe·ri·or plan·et

noun

Astronomy
  • Any of the planets (Mars, Jupiter, Saturn, Uranus, and Neptune) whose orbits are further from the sun than the Earth’s. Compare with inferior planet.
    More example sentences
    • Figure 2 is a diagram of the orbits of the Earth and a superior planet (those with orbits larger than those of the Earth), such as Mars.
    • Mercury's orbit, like that of Venus, can be divided into a complex set of phases, quite distinct from those of the Moon and those of the superior planets.
    • In most astrological depictions, Venus and Mercury are shown standing apart from the superior planets.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space