floofloof@lemmy.ca to Space@lemmy.worldEnglish · 24 days agoHuman missions to Mars in doubt after astronaut kidney shrinkage revealedwww.yahoo.comexternal-linkmessage-square108fedilinkarrow-up10arrow-down10
arrow-up10arrow-down1external-linkHuman missions to Mars in doubt after astronaut kidney shrinkage revealedwww.yahoo.comfloofloof@lemmy.ca to Space@lemmy.worldEnglish · 24 days agomessage-square108fedilink
minus-squareintensely_human@lemm.eelinkfedilinkarrow-up0·23 days agoHow about eleven feet of concrete?
How about eleven feet of concrete?