These short video clips show impact testing, deployment of NASA?s Deep Impact spacecraft after launch and flight of the spacecraft to encounter. They can be viewed and downloaded from the Web site. Full description.

This video tells the story from inception to launch of NASA's quick scatterometer project (QuikSCAT). It gives a behind-the scenes look at engineers, scientists, and technicians working together to solve problems and successfully accomplish goals. Length:25:22. Full description.

This 28-minute video shows why the Milky Way appears as it does from the vantage point of the Solar System and explains how astrophysicists have arrived at their current understanding of its structure and composition. Full description.

This DVD provides an 18-minute introduction to how NASA is observing our ever-changing planet. On the The Dynamic Earth DVD Web page you can download the video as an iPod or iPhone version, as well as an AppleTV/Full resolution version, and access a glossary and links to related Web sites. Full description.

This film was taken by astronauts from five Space Shuttle missions with the IMAX camera, illustrating forces affecting Earth's ecological balance: volcanoes, hurricanes, earthquakes, and, ultimately, humankind. Experiments discussed in the videotape focus on infrared detection of atmospheric remnants from volcanic eruptions, ozone concentration levels, and incoming solar ultraviolet radiation with ... Full description.

This video describes NASA's Jason mission, a joint U.S.-France oceanography mission, launched in 2001, to monitor global ocean circulation, discover the tie between the oceans and atmosphere, improve global climate predictions and monitor events such as El Nino conditions and ocean eddies. Jason-1 is a follow-on mission to NASA's TOPEX/Poseidon mission. The video was produced before launch, so descriptions ... Full description.

Using 3D animation, this video was created to better illustrate the history behind the discussion defining "What is a Planet?" and to outline some of the traits that may be associated with the definition of a planet. (Length: 7:54 minutes) Full description.

This educational video details how the sciences of astronomy and geography guided slaves to freedom in the 1800s, and how the technologies of satellites and geographic information systems are being used to locate and visualize the secret paths they traveled. Using the North Star as a compass, freedom-seeking slaves went from safe house to safe house along the Underground Railroad, an intricate network ... Full description.

In this video, two student moderators engage the audience with satellite imagery, computer graphics, and historical footage to make the point that the Earth is an interconnected system of air, land, water, and life. It the following segments: An introduction to Earth system science; Using satellites to look at Earth from space; El Nino; Global Warming; Drought; Hurricanes, and an Epilogue. Length: ... Full description.

Leonard Nimoy narrates this animated 13-minute video of NASA's Dawn mission, launched in October 2007. The movie features a look into the planning, instrumentation and technological challenges of this mission into the heart of the asteroid belt. Full description.