ISS Leaks: Top Safety Risk

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spacecraft leak

Scientific American

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The International Space Station Has Been Leaking for Five Years

Summary

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71% Informative

The International Space Station leaks some air every day .

The worst rate of leakage publicly comes from April , when the station was losing 3.7 pounds of atmosphere per day.

It’s actually leaking more but still not all that much, says Michael Kezirian , an adjunct professor of astronautical engineering at the University of Southern California .

The leaks are a nagging reminder of how long the ISS has spent in orbit.

The oldest segments launched in 1998 ; since then they have endured a host of stressors.

Spacecraft arrive and depart, rockets push the ever sinking laboratory higher above Earth , and materials degrade from exposure to cosmic radiation.

NASA hopes to keep the space station operational through 2030 .

“If we’re going to be a nation that explores space, then we need to do so in an intelligent, cost-effective and maximal way. [An approach in] fits and starts is just nonoptimal, and it’s wasteful.”.

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Informative language

Neutral language

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informal

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English

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not offensive

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not hateful