What are some risks and dangers of travelling into space??

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  • 1 decade ago
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    Depends on the craft, to begin with... If it is the space shuttle, the biggest danger is probably falling insulating foam tearing another crack on the heat-shield.

    It is worthwhile noting that all manned ships and astronauts lost so far have been the result of faults with their space-craft.

    Perhaps more to the point of your question, I would say the next biggest danger is radiation. It is impossible to effectively shiled a space-craft. So a mission in space means you will be exposed to far greater levels of radiation that on Earth. This radiation can cause all the know effects of long-term exposure to radiation, including cancer and infertility.

    Comming up next and raising is the risk from space junk. All the decomissioned satelites, remains of all the ejected stages of rockets, nuts, bolts, etc. Many things remain in orbit and they are so small that they cannot be seen by telescopes or radar. They move really fast and if they hit a spacecraft or space suit they can easily pierce it.

    They are concentrated around Earth and in many of the orbits you would want to put a satelite or manned mission. They are much more common than meteorites and the risk of an impact from space junk is much higher than from a meteorite.

    Then there are Sun flares. When the Sun ejects huge amounts of radiation and high speed particles. These could disrupt communications and even damage sensitive electronic equipment. Some of this equipment could be vital for the astronauts - say navigation computers, for example.

    There are also meteorite showers when the Earth crosses the orbit of comet debris. The risk of meteorite impacts is much higher then, but most of these showers are mapped, so you know when they happen. Good idea to avoid space-walks during these.

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  • 1 decade ago

    the initial danger would be the launch in itself. Assuming you lift off safely, then there's the g-force you'll feel as you're traveling at least 7miles/second to escape gravity. Then it's a matter of ow long you'll be staying in space. If it's for an extended period of time, then your heart and other organs will soon start to weaken in a zero-gravity environment. Plus, the food you'll eat isn't the greatest. Skeletal and muscle mass will shrink.

    There's countless trivial dangers while in space too, like getting lost! nontheless

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  • Radiation, flying particles, no gravity holding you past the point of no return, no oxygen, extreme temperatures, cosmic rays, mutated bacteria from the radiation, a grain of sand could penetrate your space suit, and more.

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  • 1 decade ago

    You can review this by looking at the Columbia tragedy and Challenger loss.

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