Mercury's Large Impact Hypothesis

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Mercury’s large inner core and how the planet was formed is a subject of debate, with two main theories. One theory suggests that the sun vaporized all of the elements that would have built a crust on mercury leaving only the core. The second theory, the large impact hypothesis claims that the chaotic movement of the early solar system resulted in a massive collision with Mercury, this collision caused the lower density material to be cast off of the planet leaving only the massive iron core. In time sediment settled on Mercury leaving a thin crust on the planet.

The theory of the large impact hypothesis does correspond to reality and it does predict observations. What has long been believed about the origin of the moon seems to be what happened

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