small44@lemmy.world to Today I Learned@lemmy.worldEnglish · 1 year agoTIL that a day on earth used to be just 19 hours longwww.popularmechanics.comexternal-linkmessage-square6fedilinkarrow-up145arrow-down13file-text
arrow-up142arrow-down1external-linkTIL that a day on earth used to be just 19 hours longwww.popularmechanics.comsmall44@lemmy.world to Today I Learned@lemmy.worldEnglish · 1 year agomessage-square6fedilinkfile-text
minus-squareSuiXi3D@kbin.sociallinkfedilinkarrow-up1·1 year agoSo the earth’s spin is very slowly slowing down? Neat!
So the earth’s spin is very slowly slowing down? Neat!