![A titanic collision could have formed the moon within hours, new simulation shows](https://cdn.newsserve.net/ONPglobe256.png)
A titanic collision could have formed the moon within hours, new simulation shows
Bob McDonald's blog: Researchers at NASA and in the UK developed the highest resolution simulation of the collision between a hypothetical rogue planet dubbed Theia and a primitive Earth that is the best explanation they have for how the Moon was formed.
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