Towardthesouth，theplainwasveryflat，withoutoneelevation，withoutoneprojection。Towardthenorth，onthecontrary，tillwhereitwasboundedbythe\"SeaofStorms，\"itresembledaliquidsurfaceagitatedbyastorm，ofwhichthehillsandhollowsformedasuccessionofwavessuddenlycongealed。
Overthewholeofthis，andinalldirections，laytheluminouslines，allconvergingtothesummitofCopernicus。
Thetravelersdiscussedtheoriginofthesestrangerays；buttheycouldnotdeterminetheirnatureanymorethanterrestrialobservers。
\"Butwhy，\"saidNicholl，\"shouldnottheseraysbesimplyspursofmountainswhichreflectmorevividlythelightofthesun？\"
\"No，\"repliedBarbicane；\"ifitwasso，undercertainconditionsofthemoon，theseridgeswouldcastshadows，andtheydonotcastany。\"