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View Full Version : Moon’s Variable Gravity Came From Ancient Impacts



Fraser
2013-May-31, 06:40 PM
The moon’s gravity has been a headache ever since the Apollo era. Areas of “mass concentration” or mascons, discovered in 1968, affected spacecraft orbits and made landing on Earth’s neighbor a tricky challenge. The phenomenon has puzzled scientists, but new data shows that mascons might have come to be after asteroids or comets hit the [...]

More... (http://www.universetoday.com/102576/moons-variable-gravity-came-from-ancient-impacts/)