NASA Data Leads to Rare Discovery: Earth's Moon Wandered Off Axis Billions of Years Ago
Wednesday, March 23, 2016 - 14:30
in Astronomy & Space
Ancient lunar ice indicates the moon's axis slowly shifted by 125 miles, or 6 degrees, over 1 billion years. Earth's moon now a member of solar system's exclusive 'true polar wander' club, which includes just a handful of other planetary bodies