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.
Published: Friday, June 1, 2007. 1  The Moon's increasing distance has to do with a physics concept called angular momentum, which is a body's resistance to a change in its rotation or orbit. If we look at the Earth-Moon system, we find two sources of angular momentum â Earth, which rotates once every 24 hours, and the Moon, which orbits the Earth every 27.3 days. The Moon's increasing distance has to do with a physics concept called angular momentum, which is a body's resistance to a change in its rotation or orbit.