How a huge impact may have given the Moon two faces

While we can only see one "face" on the Moon from our vantage point here on Earth, the far side is actually quite different. Observations have shown that the "back" of the Moon has a thicker crust and an extra layer of material compared to the side that faces Earth. Now, simulations have revealed one possible, explosive explanation – an impact with a huge object early on in the Moon's life.

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Category: Space

Tags:

• Astronomy
• Collision
• Earth
• GRAIL
• Impact
• Moon

from New Atlas (Gizmag) http://bit.ly/2EmXC1k