On April 12, 1981, twenty years ago today, the Space Shuttle Columbia [
http://science.ksc.
columbia.html ] became the first shuttle [
http://www-pao.ksc.
sts-1/mission-sts-1. html ] to orbit the Earth. In this gorgeous time exposure [
http://www-pao.ksc.
ksc-81pc-0136.htm ], flood lights play on the Columbia and service structures (left) as it rests atop Complex 39's [
http://www-pao.ksc.
padstoc.htm ] Pad A at Kennedy Space Center in preparation for first launch. Flown by [
http://science.ksc.
stsref-toc.html ] Commander John W. Young and Pilot Robert L. Crippen, Columbia spent 2 days aloft on its check-out mission, STS-1 [
http://history.nasa
], which ended in a smooth landing, airplane-style, at Edwards Air Force Base [
http://www.dfrc.nas
2001/01-21.html ] in California. Ferried back to Kennedy by a modified Boeing 747 [
http://www.dfrc.nas
FS-013-DFRC.html ], Columbia was launched again seven months later on STS-2 [
http://science.ksc.
mission-sts-2.html ], becoming the first piloted reuseable orbiter. The oldest operating shuttle, Columbia's 1981 debut was followed by shuttles Challenger [
http://science.ksc.
challenger.html ] in 1982 (destroyed [
http://science.ksc.
mission-51-l.html ] in 1986), Discovery [
http://science.ksc.
discovery.html ] in 1983, Atlantis [
http://science.ksc.
atlantis.html ] in 1985, and Challenger's replacement Endeavour [
http://science.ksc.
endeavour.html ] in 1991. This shuttle fleet has now accomplished [
http://www.spacefli
] over 100 orbital missions. Today also marks the 40th anniversary [
http://antwrp.gsfc.
] of the first human in space, Yuri Gagarin [
http://starchild.gs
gagarin.html ].
Explanation
On April 12, 1981, twenty years ago today, the Space Shuttle Columbia [
http://science.ksc.
columbia.html ] became the first shuttle [
http://www-pao.ksc.
sts-1/mission-sts-1. html ] to orbit the Earth. In this gorgeous time exposure [
http://www-pao.ksc.
ksc-81pc-0136.htm ], flood lights play on the Columbia and service structures (left) as it rests atop Complex 39's [
http://www-pao.ksc.
padstoc.htm ] Pad A at Kennedy Space Center in preparation for first launch. Flown by [
http://science.ksc.
stsref-toc.html ] Commander John W. Young and Pilot Robert L. Crippen, Columbia spent 2 days aloft on its check-out mission, STS-1 [
http://history.nasa
], which ended in a smooth landing, airplane-style, at Edwards Air Force Base [
http://www.dfrc.nas
2001/01-21.html ] in California. Ferried back to Kennedy by a modified Boeing 747 [
http://www.dfrc.nas
FS-013-DFRC.html ], Columbia was launched again seven months later on STS-2 [
http://science.ksc.
mission-sts-2.html ], becoming the first piloted reuseable orbiter. The oldest operating shuttle, Columbia's 1981 debut was followed by shuttles Challenger [
http://science.ksc.
challenger.html ] in 1982 (destroyed [
http://science.ksc.
mission-51-l.html ] in 1986), Discovery [
http://science.ksc.
discovery.html ] in 1983, Atlantis [
http://science.ksc.
atlantis.html ] in 1985, and Challenger's replacement Endeavour [
http://science.ksc.
endeavour.html ] in 1991. This shuttle fleet has now accomplished [
http://www.spacefli
] over 100 orbital missions. Today also marks the 40th anniversary [
http://antwrp.gsfc.
] of the first human in space, Yuri Gagarin [
http://starchild.gs
gagarin.html ].
Explanation