Examines the Hubble Space Telescope, including its initial launch into space, the important repair missions, and the images Hubble relays back to Earth and what astronomers can learn from them.
Explores what comets and asteroids are, how scientists have studied them throughout history, and the effects of space debris on the Earth when it enters our atmosphere.
Describes the Apollo 11 mission to the moon, explains the need for establishing a moon base, and speculates about future situations in which the base would be used.
Looks at the Challenger mission, the cause of the shuttle explosion, and the investigation of the incident, with special attention paid to crewmate Christa McAuliffe.
Discusses the Soviet Vostok 1 mission, which made Yuri Gagarin the first human being in space. Also provides biographical information about the astronaut, including his reception as a hero upon returning to Earth.
Describes the landing of Sojourner on Mars, summarizes the history of information gathering missions, and speculates about future plans for explorations of the Red Planet.