NASA
Nasa: Information on the Sts 51 L Challenger Accident
The mission profile of the Challenger accident, including the sequence of events, images and movie clips, crew profiles, and the report of the Presidential Commission.
NASA
Nasa: Astronaut Biography: Judith A. Resnik, ph.d.
The official NASA biography for Judith A. Resnik who was the mission specialist on board the Challenger spacecraft when it exploded in 1986.