Potential Space Disasters (02:47)
One day astronauts may take a cable "elevator" to an orbiting spacecraft rather than put their lives at risk during a rocket launch. If the cable came unattached at either end, results could be disastrous and lethal.
Dangers of Living in Space (05:53)
On the moon and on Mars, problems arise for colonists and space explorers because there is little or no protection from solar flares, radiation, earthquakes, landslides, and dust storms.
Man-Made Colonies on Mars and the Moon (05:58)
Man-made colonies on the moon or Mars could trigger quakes because of additional weight on unknown surfaces. Other threats include the vacuum of space, wildly varying temperatures, meteors, and micrometeoroids.
Volcanic Craters (03:44)
There is evidence of ancient volcanic activity on the moon and Mars. Craters pose threats for space vehicles. Earth could get supplies to the moon in days, yet could take three years to reach Mars.
Spacecraft Fire (05:00)
Fire acts differently in space craft than it does on Earth. Archival film footage shows real fires in spacecraft. A smoke-filled spacecraft causes nausea, confusion, and headaches.
Apollo XIII: Fire Threat (02:34)
When a fire extinguisher exploded on board Apollo XIII, the crew was forced to live in the crowded space capsule. The threat of fire is especially high inside space suits. On spacewalks, astronauts breathe highly flammable, pure oxygen.
Dangers of Spacewalks (03:11)
Extra vehicular activity (EVA) is dangerous. An untethered person in space without a propulsion system would be doomed.
Damage from Micrometeoroids (07:01)
Traveling at hypervelocity, micrometeoroids are only fractions of inches in size, yet they can tear into space suits, spacecraft, and space colonies. An object 3/4" can do severe damage to a space station.
Human Errors in Space (01:08)
In 1997, a Russian cosmonaut had trouble guiding an unmanned cargo craft with its docking point at the Mir space station. Had the cosmonaut been properly trained, the Mir collision could have been avoided.
Disasters Getting into Space and Returning (00:36)
Leaving to go into space and returning to Earth are the most dangerous times of a space mission. The tragedy of Challenger and the Columbia re-entry disaster prove that.
Space Disasters (04:34)
In the future, humankind must move beyond rocket technology. Anti-matter engines have a 100% conversion rate of matter into energy--a teaspoon could destroy a city. Psychological stresses are devastating and dangerous in space.
Credits: Deep Space Disasters (00:50)
Credits: Deep Space Disasters. Humankind has an innate drive to explore and discover. Humans are naturally curious.
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