Students enrolling in Carnegie Mellon University Tepper School of Business have an average GMAT of 690, which is much higher than average compared to all business schools (613).
But how did it end up being this pure in most parts of the Moon? The secondary event that explains it, notes the report, is what researchers are calling a crustal overturn. Old impure plagioclase was replaced by hot, pure plagioclase as the moon cooled rapidly. Asteroid hits, space dust, and other harsh space conditions could have also sheared away the surface impurities, notes the report.
âThe big story is that the moon is warmer than we thought,â he says. Much of the moonâs near side is paved over in dark plains of basalt called maria. The activity that created these ancient lava fields peaked about 3 billion years ago and petered out 1 billion years ago.