“50 light years from Earth, there is a 2,600-mile-long asteroid made of diamond.” — Bathroom Readers' Institute Copy Share Image
Americans who read the papers or watch Jay Leno have been aware for some time now that there is a slim but real possibility - about 1 in 45,000 - that an 850-foot-long asteroid called Apophis could strike Earth with… — Rusty Schweickart Copy Share Image
