| noun | 1. A planet that orbits a star outside the solar system. |
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| | | "My childhood dream was to become an astronomer and discover a new exoplanet." |
| | | "You will need an instrument much stronger than your backyard telescope to see an exoplanet." |
| | | "An astrologer can tell your horoscope, but an astronomer might study the stars and the potential exoplanets revolving around them." |
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| English, 1990s |
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| The word "exoplanet" pertains to outer space, but the etymology comes from ancient Greek. "Exo" means "outside," and "planḗtai" means "wandering star." The first confirmed exoplanet was discovered by Canadian astronomers in 1988; since then, astronomers have discovered thousands of exoplanets outside of the Milky Way. ... | Continue Reading |
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