An earlier theory used to be that the moon hit the Earth on the side (as in the video below) but this stunning image is a reconstruction by scientists who say that it was a head-on collision that caused the impact.
Edward Young, lead scientist of this study told UCLA Newsroom that they drew this conclusion from the fact that the Earth and the Moon are overwhelmingly made of the same materials.
“Theia was thoroughly mixed into both the Earth and the moon, and evenly dispersed between them,” Young said. “This explains why we don’t see a different signature of Theia in the moon versus the Earth.”
via ULCA Newsroom
Declassified documents from the 1950s show that the U.S. Air Force had a plan to detonate a nuclear warhead on the surface of the Moon. According to CNN's interview with Leonard Reiffel, the leader of the little known top-secret plan Project A-119, the plan was hatched in 1958 shortly after the launch of the world's first satellite Sputnik 1, at a time when the American government had felt pressed to catch up with the Soviet Union's lead in space exploration. Had the plan been set in motion, an