Definition of exoplanet in English:

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exoplanet

Pronunciation: /ˈeksōˌplanət/

noun

A planet that orbits a star outside the solar system: most of the 100 known exoplanets are comparable in mass to Jupiter
More example sentences
  • Nevertheless, this unique observing technique opens a new phase in the exploration of exoplanets, or extrasolar planets, say astronomers.
  • The possible exoplanet is orbiting a star known as GQ Lup, thought to be similar to our own Sun, when it was younger.
  • Many of these exoplanets are large planets that resemble the gas giants of our solar system: Jupiter, Saturn, Uranus, and Neptune.
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