Hacker Timesnew | past | comments | ask | show | jobs | submitlogin

Maybe I will vacation back to lowly earth once in a while :) . But seriously, astronauts do up to a year fine right? Has anyone gotten seriously ill or died? I've heard of bone density loss, but do you really need dense bones if you will not come back to earth?


Radiation, space anemia, immune system issues, and probably a lot of other things we would know more about if people stayed in space longer.

Your body is built to expect gravity to pull blood down. The circulatory system thus pushes blood up. When in space this creates problems.


The ISS is in a low enough orbit that it is protected by the earths magnetosphere.




Consider applying for YC's Summer 2026 batch! Applications are open till May 4

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: