Science, Maths & Technology
How was the Moon made, and when did it happen?
...article hydrodynamics”, and concluded that it would be near impossible for such an event to produce a debris disc around the Earth with the necessary amount of angular momentum (rotational energy locked up in orbital motion and spin) to eventually form a stable moon. Instead, they found that a more feasible way to form the Moon is as the end result of a series of about...