- Calculate and understand how impact craters are formed and recognise their significance for dating surfaces. - Describe the nature and history of volcanic activity on several moons. - Assess and be aware of which moons may have subsurface oceans, and the implications for hosting native life. ...
Located on the very edge of the Moon, Mare Australe is only visible when libration tips the Moon forward enough to see it. Unlike most of the other smooth maria, Australe is pockmarked by impact craters which then flooded with basaltic lava. Mare Cognitum Mare Cognitum Credit: NASA / Lunar...