Perbezaan antara semakan "Bolak-balik angkasa lepas Challenger"

 
== Pautan luar ==
{{Space Shuttle Mission Link}}
* [http://www.presidency.ucsb.edu/ws/index.php?pid=37646 Ronald Reagan: Address to the Nation on the Explosion of the Space Shuttle Challenger]
* [http://www.spacetoday.org/SpcShtls/ChallengerExplosion1986.html Space Shuttle Challenger Explosion video]
* [http://www.spaceshuttlememorial.com Interactive Space Shuttle Disaster Memorial]
 
{{Bolak balik angkasa Challenger}}
{{Space Shuttles}}