comparatively younger Arzachel (60 miles or ninety six km huge) has an unaltered flooring as well as a terraced rim. various north-south lineations carved by ejecta blasted out during the potent Imbrium Basin effect https://jimwfjf967533.canariblogs.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-night-sky-meteorite-ring-45257522