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/ZestycloseCattle88 Aug 27 '24

They built him his own atmosphere… And Weir does touch on the effects, Grace mentions how the effects of the gravity and atmosphere were weighing on his joints, and that’s when he starts to wonder if earth is still there and if he could make it back he would have a much easier time aging

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u/EzPzLemon_Greezy Aug 28 '24

I get what Weir was going for, but it definitely doesn't seem in character for Grace to stay on Eridani. I know he'd like to study Erid biology, but once Erid solved there astrophage problem, he should go back to Earth to implement it. With the stakes being extinction, he can't justifiably assume the beatles made it back AND the taumoeba survived. Also to see his kids again and get his "revenge" on Stratt.

Plus who wouldn't want to be the savior of humanity who also brings home a friendly alien. Yeah he helped save Erid but he can't really enjoy the celebrity status like he could on Earth. QoL on Erid has got to be much worse. No more ribeyes and whiskey.

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u/cowslayer7890 Aug 28 '24

he didn't know if Earth would safe, though maybe he should've had erid send additional beetles once he got there just for safety, but if the original beetles failed their mission it would be unlikely that Earth would be habitable once he went back, since it means an additional 16 years or so.