The Moon stabilizes Earth’s obliquity. Well, almost. The tilt actually varies between 22 and 24.5 degrees – and the variation is enough to induce such environmental inconveniences as the occasional ice age. Without the Moon, it might be much worse. — Seth Shostak
Tags: Age, Moon, Earth, Seth Shostak, American, Scientist
Mini who’s who:
Seth Shostak : American Scientist