Moon Impact 3.5 Billion Years Ago Hints at Hidden Era of Solar System
Researchers have identified evidence of a major asteroid impact on the Moon 3.5 billion years ago using microscopic crystals found in a meteorite. This discovery suggests the inner solar system experienced a period of intense bombardment much later than previously assumed.
Why it matters
Understanding the history of solar system bombardment helps scientists refine models of planetary formation and evolution.
Add ScienceAlert on Google Earth and the Moon both record evidence of a 'lost' period of bombardment. (NASA) Tiny crystal grains trapped inside a meteorite may be the key that unlocks a hidden era in the Solar System's history of violence.
The article is a scientific report based on peer-reviewed research.
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