{{Short description|Any astronomical object that exists outside the Solar System}} {{Not to be confused with|Interstellar object}}{{wiktionary|extrasolar }}An '''extrasolar object''' ({{ety|la|extra|outside or beyond||solaris|of the Sun}}) is an astronomical object that exists outside the Solar System.<ref>{{Cite web |date=2025-11-15 |title=Definition of EXTRASOLAR |url=https://www.merriam-webster.com/dictionary/extrasolar |access-date=2025-12-04 |website=www.merriam-webster.com |language=en}}</ref> It is not applied to stars, or any other celestial object that is larger than a star or the Solar System, such as a galaxy. The terms for extrasolar examples of Solar System bodies are:thumb | right
* Extrasolar planet, also called an "exoplanet"<ref>{{Cite web |date=2020-10-22 |title=In Depth - NASA Science |url=https://science.nasa.gov/exoplanets/facts/ |access-date=2025-12-04 |language=en-US}}</ref><ref>{{Cite web |date=2017-02-06 |title=Extrasolar Planetary Systems |url=https://www.americanscientist.org/article/extrasolar-planetary-systems |access-date=2025-12-04 |website=American Scientist |language=en}}</ref> * Extrasolar moon, also called an "exomoon" * Exocomet, an extrasolar comet<ref name=":0">{{Cite web |title='A new class': What 3I/ATLAS teaches us about interstellar small bodies? |url=https://www.wionews.com/photos/-a-new-class-what-3i-atlas-teaches-us-about-interstellar-small-bodies-1764361543135 |access-date=2025-12-04 |website=Wion |language=en}}</ref> * Exoasteroid, an extrasolar asteroid<ref>{{Cite web |last=Naeye |first=Robert |date=2005-04-21 |title=An Exo-Asteroid Belt |url=https://skyandtelescope.org/astronomy-news/an-exo-asteroid-belt/ |access-date=2025-12-04 |website=Sky & Telescope |language=en-US}}</ref>
Some Solar System object classes, such as minor planets, dwarf planets and Trans-Neptunian object equivalents have not been detected outside the Solar System. Several exocomets have passed near or through the solar system, and are called interstellar interlopers.<ref name=":0" />
==See also== * Extraterrestrial, referring to objects or phenomena existing within the Solar System, but not on Earth * Extragalactic astronomy, the study of objects outside the Milky Way Galaxy * Interstellar object, an object that has traveled through interstellar space, such as ʻOumuamua, the first known example * List of artificial objects leaving the Solar System * Planetary system, a set of gravitationally bound non-stellar objects in orbit around a star or star system * {{Annotated link|Substellar object}}
== References == {{Reflist}} Category:Astronomical nomenclature