BigCountryHomepage on MSN
Why is the moon visible during the day in the Big Country sky?
Many people wonder why they can sometimes spot the moon in the middle of the day. The simple answer is that the moon is close ...
New Scientist on MSN
Forming moon may have taken three big impacts early in Earth’s history
Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...
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