exoplanet


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exoplanet

or

extrasolar planet,

a planet located outside the solar system. See planetplanet
[Gr.,=wanderer], a large nonluminous body of rock or gas that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects.
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; planetary systemplanetary system,
a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known was the solar system, which comprises the sun and the surrounding planets,
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.

exoplanet

[‚ek·sō′plan·ət]
(astronomy)
References in periodicals archive ?
Using data from NASA's Kepler space telescope, astronomers found the exoplanet - labeled as KOI-314c - orbiting a dim, red dwarf star, which is located approximately 200 light years away.
With the addition this year of 180 new worlds to the Paris Observatory's list of confirmed exoplanets, there are now more than 1,000 known planets orbiting stars other than the sun.
To actually detect the atmosphere of an exoplanet is extraordinarily difficult.
Many of the cluster stars are fainter than those normally targeted for exoplanet searches and trying to detect the weak signal from possible planets pushed HARPS to the limit.
Kepler has made extraordinary discoveries in finding exoplanets including several super-Earths in the habitable zone," said John Grunsfeld, associate administrator for NASA's Science Mission Directorate in Washington.
edu/) Gemini Observatory wrapped up their Planet-Finding Campaign, a mission to directly image exoplanets, planets outside of our solar system, and discovered there is a dearth of gas giants in the outer orbits of a parent.
Kepler has become so synonymous with exoplanets that it can be hard to remember the state of the science before the telescope launched.
Finally being able to study one in X-rays is important because it reveals new information about the properties of an exoplanet.
These upgrades would add exoplanet transit detection capability by enhancing the telescope's stability systems and dedicating time to monitor candidate star systems.
The exoplanet may be the lightest such planet discovered by astronomers.
The work is being done as part of the Transiting Exoplanet Survey Satellite program.
The study is among the first to directly analyze the chemical makeup of an exoplanet.