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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 ?
The second exoplanet - labeled as KOI-314b - is about the same size as KOI-314c but is denser and weighs about 4 times as much as Earth.
ySTANBUL (CyHAN)- The exoplanet HD 189733b lies so near its star that it completes an orbit every 2.
In October 2012 Madhusudhan published a paper arguing that 55 Cancri e, a rocky exoplanet twice Earth's size, is likely covered in graphite and diamond.
At 3,860 kilometers across, the exoplanet is about 30 percent of the diameter of Earth or 80 percent the width of Mercury.
ESPRESSO (Echelle SPectrograph for Rocky Exoplanet and Stable Spectroscopic Observations) is an ultra-stable spectrograph that will be installed at ESO s Paranal Observatory in Chile in 2016.
The studies were part of a census of exoplanet atmospheres led by L.
Washington, Jan 16 ( ANI ): Astronomers have discovered a new exoplanet orbiting a star that is a rare solar twin - a star that is almost identical to the Sun in all respects.
As scientists analyze previously collected data, the Kepler team also is looking into whether the space telescope can conduct a different type of science program, including an exoplanet search, using the remaining two good reaction wheels and thrusters.
Much like the gas giants in our solar system, Jupiter and Saturn, these large planets found in other solar systems don't have orbits that take them far from their parent star, giving researchers new clues about gas giant planet formation as well as exoplanet formation.
Those numbers boosted the case for funding NASA's next exoplanet-hunting mission, the Transiting Exoplanet Survey Satellite, which is scheduled for a 2017 launch.
WASHINGTON, July 29, 2013 /PRNewswire-USNewswire/ -- For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.
The exoplanet is orbiting around the red dwarf star TW Hydrae within the constellation Hydra, located 176 light-years from Earth.