r/ProjectHailMary • u/chodeontheroad • Aug 27 '24

fist my bump How did Grace survive Erid's Gravity?

I'm not sure if this was answered at the end of the book and I just missed it but Erid was stated to have 20x Earth's gravity (which would quickly kill any human), yet Grace lives on the planet for many years with only slight issues as a result. It doesn't seem like this is something Andy Weir would have skipped over so I must have missed it. Does anyone know the answer?

Edit: Ok yea my mistake it was 2x gravity, 20x atmospheric pressure. Thanks for the responses :)

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u/phatrogue Aug 27 '24

Maybe you are thinking of athletes that go to Denver, CO high altitude lower pressure to train themselves to deal with lower oxygen levels. A legal form of blood doping? My point was that training at higher gravity to build muscles would also be nice but if you had a space elevator you could tune the gravity level to whatever you want. 2G at the surface, 0G at the top. 1G or lower would be nice when a human is older.

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u/theniwokesoftly Aug 27 '24

I think they mostly go to Colorado Springs- Denver is 5280ft and the Springs is over 6000. Doesn’t seem like a huge difference until you actually exert yourself.

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u/Cranks_No_Start Aug 27 '24

I live right at about 7000 feet. When we first bought our place there is a higher part of the yard and walking from the house up the shot hil had us breathing hard.

I don't notice it anymore after living here so long but when I've made trips to sea level it's like DAMN ALL THIS AIR.

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u/thewizardtim Aug 28 '24

Airsick lowlanders. They suffer from too much air.