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'''Olympus Mons''' is a [[volcano]] on [[Mars]], and is the tallest volcano, and [[mountain]], in the [[Solar System]]. It is nearly 27 km high, but over 20 times wider. <ref>http://volcano.und.edu/vwdocs/planet_volcano/mars/Shields/olympus_mons.html</ref>

'''Olympus Mons''' is a [[shield volcano]] on [[Mars]], and is the tallest volcano, and [[mountain]], in the [[Solar System]]. It is nearly 27 km high, but over 20 times wider. <ref>http://volcano.und.edu/vwdocs/planet_volcano/mars/Shields/olympus_mons.html</ref>

==References==

==References==

{{reflist|2}}

{{reflist|2}}

[[Category: Astronomy]]

[[Category: Astronomy]]