1986 marked a legendary era in humanity's astronomical focus. Russia launched the Mir space station, Halley's Comet lit up Earth's February skies, the Antarctic ozone hole came under intense scrutiny, and America's Challenger space shuttle exploded in a fiery cloud 73 seconds after launch, killing...
Posted on Aug 22nd 2014 8:30PM
Posted on Aug 22nd 2014 11:00AM
Posted on Aug 21st 2014 4:00PM