NASA moon MYSTERY: Did ancient SECOND moon smash leave lopsided lunar surface? NASA data has revealed the reason why the far side of the moon is riddled with heavy craters, space scientists have announced. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Take a Number: Why Is the Eclipse Longer in Some Places Than in Others?Your Playlist for the Solar EclipseMore Than 500,000 Infected With Cholera in YemenHow to Watch the Eclipse Online if You’re Stuck Indoors (or It’s Cloudy)Earth in SuspensionWhy Some Say the Eclipse Is Best Experienced in a Massive Crowd