Trilobites: Three Planets Will Slide Behind the Moon in an Occultation The moon will momentarily block Venus, then Mars and then Mercury, offering a vivid reminder of the cosmic clockwork in our solar system. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:That Vexing Math Equation? Here’s an AdditionAlgae Bloom Fouls N.J.’s Largest Lake, Indicating Broader CrisisDeadly Germ Research Is Shut Down at Army Lab Over Safety ConcernsAntarctica breakthrough: Scientists make ‘amazing’ 14-million-year-old discoveryNASA discovery: Scorching planet spewing 'heavy metal' into space stuns astronomersAsteroid shock: Scientists discover mysterious rock spinning itself into oblivion