Adjective
(astronomy) of or originating outside the Solar System.
Some comets are thought to have an extrasolar origin.
(astrophysics) of or originating in a solar system other than Earth's.
A four-inch telescope was once used to find an extrasolar planet.
Applications Diagram showing how a smaller object (such as an extrasolar planet ) orbiting a larger object (such as a star ) could produce changes in position and velocity of the latter as they orbit their common center of mass (red cross). Source: Internet
However, significant advances in the ability to find and resolve light from smaller rocky worlds near their star are necessary before such spectroscopic methods can be used to analyze extrasolar planets. Source: Internet
An exoplanet (extrasolar planet) is a planet outside the Solar System. Source: Internet
By examining planetary spectra, it would be possible to determine the basic composition of an extrasolar planet's atmosphere and/or surface. Source: Internet
Extrasolar X-ray source astrometry main With the initial detection of an extrasolar X-ray source, the first question usually asked is "What is the source?" Source: Internet
However, this does not give estimates for the number of extrasolar terrestrial planets, because there are planets as small as Earth that have been shown to be gas planets (see KOI-314c ). Source: Internet