... In Jules Verne's science fiction classic A Journey to the Center of the Earth, Professor Hardwigg and his fellow explorers encounter many strange and exciting wonders. ... Earth Nears Asteroid Toutatis . ... In Earth's sky, Toutatis appeared only as a faint object moving against a background of stars. ... Black Hole Signature From Advective Disks . ... If alone, a black hole would indeed appear quite black, but many black hole candidates are part of binary star systems. ...