Noun
exoplanet (plural exoplanets)
(astronomy, planetology) A planet which exists outside Earth's solar system.
Synonyms: exosolar planet, extrasolar planet
Coordinate terms: exocomet, exomoon
Hyponym: super-Earth
After the discovery of the first exoplanet 25 years ago, and since then thousands more, the question has become a serious one. Source: Internet
Although these brief timescales can be difficult to simulate, incorporating the effects of flares is important to forming a more complete picture of exoplanet atmospheres. Source: Internet
Nomenclature main The exoplanet naming convention is an extension of the system used for naming multiple-star systems as adopted by the International Astronomical Union (IAU). Source: Internet
An exoplanet (extrasolar planet) is a planet outside the Solar System. Source: Internet
In 2006, an even smaller exoplanet (only 5.5 M ⊕ ) was found orbiting the red dwarf OGLE-2005-BLG-390L ; it lies 390 million km (2.6 AU) from the star and its surface temperature is −220 °C (56 ). Source: Internet
Directly imaging a new exoplanet would take at least a 1.5m 'scope, and you'd have to be very lucky. Source: Internet