Mars - Landing on the Red PlanetHitting the Martian surface “at about 40 Gs,” a lander carrying the Mars rover is cushioned by air bags. It bounces between fifteen and twenty times before it comes to rest. If the lander hits a rock, the mission could be severely compromised, or worse. CreditsNASA, Jet Propulsion Laboratory video. |
Biographies
History
- American Colonies
- American Revolution - Highlights
- Assassination of Abraham Lincoln
- Assassination of John F. Kennedy
- Auschwitz: Place of Horrors
- Book Burning and Censorship
Disasters
- America Attacked: 9/11
- Black Death
- Challenger Disaster
- Columbia Space Shuttle Explosion
- Deepwater Horizon: Disaster in the Gulf
- Fatal Voyage: The Titanic


















