Extraterrestrial The Most Mysterious Crater On The Moon: An Unnaturally Oval Shape With a Giant Structure In The Middle Nov 01, 2024 Nov 01, 2024 The "Ryder" crater is actually located on the rim of a much larger crater. Exploration data show that this old crater is about 70 km in diameter, and its rim rises high above the inner area, with an altitude difference of about 3 km
