What is Olympus Mons?
[[File:Olympus Mons-scale-white in km.png|thumb|220px|right|Olympus Mons]] '''Olympus Mons''' is a [[shield volcano]] on the planet, [[Mars]]. It is the tallest [[volcano]] and [[mountain]] in the [[Solar System]]. Its last eruption was 25 million years ago.<ref>{{Cite web|title=Olympus Mons: The Largest Volcano in the Solar System|url=https://www.space.com/20133-olympus-mons-giant-mountain-of-mars.html|website=Space.com}}</ref> == Size == Olympus Mons is {{convert|27|km|mi|0|lk=on|abbr=on}} high.<ref>{{cite web |url=http://quest.arc.nasa.gov/mars/ask/terrain-geo/highest_and_lowest_points_on_Mars.txt |title=What are the highest and lowest points on the surface of Mars |accessdate=2009-05-17 |format= |work=NASA |archive-date=2016-01-31 |archive-url=https://web.archive.org/web/20160131060040/http://quest.arc.nasa.gov/mars/ask/terrain-geo/highest_and_lowest_points_on_Mars.txt |url-status=dead }}</ref> This is three times taller than the highest [[mountain]] on [[Earth]], [[Mount Everest]]. == References == {{reflist}} {{geo-stub}} {{Mars}} [[Category:Volcanoes]] [[Category:Mars]]