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Our Moon is disproportionately large - more than a quarter of Earth's diameter - a situation once thought to be rare.
Last year, researchers from the University of Zurich's Institute of Theoretical Physics in Switzerland and Ryuja Morishima of the Laboratory for Atmospheric and Space Physics at the University of Colorado in the US undertook a series of simulations to look at the way planets form from gas and smaller chunks of rock called planetesimals.
He called the result an "interesting estimate" but cautioned that there are several as-yet unknown parameters "which greatly affect lunar formation and evolution and thus the probability of hosting a large moon". He told s that, for example, it is still impossible to put numbers to the effects of a planet's initial spin before impact, or how the disc of material is formed and evolves after it.
Originally posted by MayorOfCydonia
This means that conditions for life are much better in the Univers are much better than we thought. It is believed that a terristrial planet needs to have a large Moon in order to make it more stable and balanced and allow macro life to exist. It also means that terristrial extrasolar planets maybe more hospital for human life than we used to think, because those planets are more like our one then we used to think.
This new evidence also contradicts the Moon Matrix theory pushed by David Icke, because the Moon Matrix theory assumes that the Earth and its Moon are unique and there's nothing else like it, therefore the Moon isn't real. Well that's no longer the case: