2011-09-13
[public] 90.9K views, 1.14K likes, 27.0 dislikes audio only
A dramatic collision of two moons may explain why our Moon is very much two-sided.
Professor Mike Merrifield briefly discusses a recent paper in Nature.
Check it out at http://www.nature.com/nature/journal/v476/n7358/full/nature10289.html
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