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  • - Space is an incredibly dangerous place.

  • If you do something wrong, it's game over,

  • so the stakes are very high.

  • To keep everyone safe, we practice routinely

  • emergency procedures.

  • I think the biggest emergency is

  • is loss of depress, or depressurization.

  • If something's coming at you and hits the Space Station

  • then that's gonna cause a breach.

  • And it can be something as small as two centimeters

  • in diameter that could do a lot of damage.

  • Everyone would go to their respective vehicle

  • and close the hatches because initially, if it's

  • very fast, you only have so much time

  • to get in that vehicle safely

  • and be ready to go home.

  • Another situation we train for is

  • fire.

  • If a fire alarm goes off

  • on our computer screen you would see

  • the actual module where the smoke detectors

  • think you're seeing a fire.

  • And then you would actually physically go there

  • to see if you actually have identified smoke,

  • or flames, or anything coming out.

  • And the solar flare, the sun kind of burps

  • every so often, and sends out high energy particles

  • from the sun.

  • The dangers around solar flares are that you can

  • accumulate too much radiation in your body.

  • If there's a solar flare, all of the astronauts float

  • up into the doghouse, we call it

  • that has a ton of water bags

  • surrounding it.

  • And the water will absorb and keep the radiation

  • from coming into our bodies.

  • And we can just wait until

  • Houston gives us the call to say everything's clear.

  • As astronauts, you're trained to not be alarmed

  • by things.

  • You're trained to go into a mode of

  • how will I save the day,

  • how will I fix this,

  • how will I do all the steps required

  • to make sure that, you know, we come home safely?

  • (gentle music)

- Space is an incredibly dangerous place.

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宇宙の緊急事態にどう対処するか (How to Deal With Space Emergencies)

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    許大善 に公開 2021 年 01 月 14 日
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