Last updated at: (Beijing Time) Monday, February 03, 2003
NASA's Five Space Shuttles
The US space shuttle Columbia, built in 1981 at a cost of about one billion US dollars, broke up over Texas earlier Saturday with seven astronauts aboard as it returned to Earth from a 16-day mission.
The US space shuttle Columbia, built in 1981 at a cost of about one billion US dollars, broke up over Texas earlier Saturday with seven astronauts aboard as it returned to Earth from a 16-day mission.
Columbia was the oldest and heaviest space shuttle of the US National Aeronautics and Space Administration (NASA). It had been refurbished three times ever since its first flight in 1981. Here is a look at the five shuttles NASA has and once had:
Columbia
Weight: 80,100 kg
First flight: April 12, 1981
Number of flights: 28 (lost February 1, 2003)
Challenger
Weight: 78,800 kg
First flight: April 4, 1983
Number of flights: 10 (exploded on launch January 28, 1986)