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.
The first was a fission theory, that said that the Earth formed and was spinning really fast, and it just happened to fling off part of its surface. People point to the Pacific Ocean trench as where the Moon could have come from. But it doesnât explain everything we see. This idea means that the Moon should be similar in composition to the Earth. I mentioned that the Moon lacks water, and water is a volatile.