Editing Caloris Planitia (section)

{{Short description|Crater on Mercury}}
{{Infobox feature on celestial object
| name        = Caloris Planitia
| image       = The Mighty Caloris (PIA19213).png
| caption     = Mosaic of the Caloris basin based on photographs by the ''[[MESSENGER]]'' orbiter.
| location    = [[Raditladi quadrangle]], [[Mercury (planet)|Mercury]]
| coordinates = {{coord|30.5|N|189.8|W|globe:Mercury|display=inline,title}}
| diameter    = 1,550&nbsp;km (963&nbsp;mi)
| eponym      = Latin for "heat"
}}
'''Caloris Planitia''' {{IPAc-en|k|@|'|l|oʊr|ᵻ|s|_|p|l|@|'|n|I|ʃ|(|i|)|@}} is a [[planitia|plain]] within a large [[impact basin]] on [[Mercury (planet)|Mercury]], informally named '''Caloris''', about {{convert|1,550|km|mi|abbr=on}} in [[diameter]].<ref name="newscientist30012008">{{cite news| url=https://www.newscientist.com/article/dn13257-bizarre-spider-scar-found-on-mercurys-surface.html| title=Bizarre spider scar found on Mercury's surface| date= 2008-01-30| publisher= NewScientist.com news service| first= David| last= Shiga}}</ref> It is one of the [[List of largest craters in the Solar System|largest impact basins in the Solar System]]. "Calor" is [[Latin]] for "[[heat]]" and the basin is so-named because the [[Sun]] is almost directly overhead every second time Mercury passes [[perihelion]]. The crater, discovered in 1974, is surrounded by the [[Caloris Montes]], a ring of [[mountain]]s approximately {{convert|2|km|mi|abbr=on}} tall.