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An extrasolar planet.

ex′o·plan′e·tar′y (-ĭ-tĕr′ē) adj.


(Astronomy) a planet that orbits a star in a solar system other than that of Earth
References in periodicals archive ?
We can't observe exoplanets directly yet, but we can spot the telltale dip in luminance when an exoplanet passes in front of its host star.
Whether a gas uniquely indicates the presence of biology on an exoplanet depends on the atmospheric properties and ultraviolet radiation environment.
A candidate exoplanet is measured by the shadow it causes as it crosses its host star.
An international team of researchers made the discovery while analyzing 275 potential exoplanet candidates that showed up in the Kepler data during the spacecraft's second mission, called K2.
The new research by astronomer Rory Barnes of the University of Washington suggested that many exoplanets that will likely be discovered by NASA's next planet-hunting satellite, the Transiting Exoplanet Survey Satellite or TESS will probably be tidally locked, with one side permanently facing their host star.
Kepler is incapable of determining whether an exoplanet bears an atmosphere or liquid water.
The space agency, as per The New York Post, recently revealed the existence of a 'ball of ice' exoplanet dubbed as the OGLE-2016-BLG-1195Lb.
The star system where the exoplanet was found has a long history as a potential destination in science fiction, from Avatar and Doctor Who to an Isaac Asimov short story and a Robert Heinlein novella.
First: It is an exoplanet -- a planet outside of our solar system.
This animated illustration shows one possible scenario for the rocky exoplanet 55 Cancri e, nearly two times the size of Earth.
Indeed, the holy grail of planet-hunting astronomers is the discovery of an exoplanet circling a star beyond our sun that is small, rocky, and covered with churning, frothing oceans of liquid water, like our own lovely "little blue dot" lost in the vastness of space.