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====Lunar swirls==== {{Main|Lunar swirls}} [[File:Reiner-gamma-clem1.jpg|thumb|Wide-angle image of a lunar swirl, the 70-kilometer-long [[Reiner Gamma]]]] Lunar swirls are enigmatic features found across the Moon's surface. They are characterized by a high albedo, appear optically immature (i.e. the optical characteristics of a relatively young [[regolith]]), and often have a sinuous shape. Their shape is often accentuated by low [[albedo]] regions that wind between the bright swirls. They are located in places with enhanced surface [[magnetic field]]s and many are located at the [[antipodal point]] of major impacts. Well known swirls include the [[Reiner Gamma]] feature and [[Mare Ingenii]]. They are hypothesized to be areas that have been partially shielded from the [[solar wind]], resulting in slower [[space weathering]].<ref>{{cite journal |title=Reflectance spectra of seven lunar swirls examined by statistical methods: A space weathering study |last1=Chrbolková |first1=Kateřina |last2=Kohout |first2=Tomáš |last3=Ďurech |first3=Josef |journal=Icarus |volume=333 |pages=516–527 |date=November 2019 |doi=10.1016/j.icarus.2019.05.024 |bibcode=2019Icar..333..516C |doi-access=free}}</ref>
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