... Their sudden disappearence 65 million years ago, along with about 70 percent of all species then living on Earth, is known as the K-T event (Cretaceous-Tertiary Mass Extinction event). ... This dream-like image of Mir was recorded by astronauts as the Space Shuttle Atlantis approached the Russian Space Station prior to docking during the STS-76 mission. ... In March and April of 1994 the unmanned Clementine spacecraft demonstrated the technique of prospecting on the Moon from lunar orbit. ...