Inpassingoverthesurroundingplains，Barbicanenoticedagreatnumberoflessimportantmountains;andamongothersalittleringedonecalledGuyLussac，thebreadthofwhichmeasuredtwelvemiles。
Towardthesouth，theplainwasveryflat，withoutoneelevation，withoutoneprojection。Towardthenorth，onthecontrary，tillwhereitwasboundedbythe\"SeaofStorms，\"itresembledaliquidsurfaceagitatedbyastorm，ofwhichthehillsandhollowsformedasuccessionofwavessuddenlycongealed。
Overthewholeofthis，andinalldirections，laytheluminouslines，allconvergingtothesummitofCopernicus。
Thetravelersdiscussedtheoriginofthesestrangerays;buttheycouldnotdeterminetheirnatureanymorethanterrestrialobservers。
\"Butwhy，\"saidNicholl，\"shouldnottheseraysbesimplyspursofmountainswhichreflectmorevividlythelightofthesun？\"