How to See Shuttle Discovery Chase Space Station Tonight

Skywatchers across parts of the United States and Canada have a chance tonight (Feb. 25) to spot NASA's space shuttle Discovery – on its last-ever mission – as it chases the International Space Station across the night sky. The shuttle and space station will be visible to the unaided eye as separate entities, appearing as bright "stars" sailing across this evening's twilight sky. Skywatchers with clear skies in the northern U.S. and southern Canada have the best chances of seeing the two spacecraft. [Photos of Space Shuttles and Stations from Earth] The International Space Station is can be easily seen on clear nights without a telescope because of its huge size and solar arrays. It is as long as a football field and has enough living space for astronauts as a Boeing 747 jumbo jet. More

(Source: Space.com - Feb 26)