Ludicrous0251@piefed.zip to science@lemmy.worldEnglish · 3 months agoThe South Pole Just Moved. Here's Why [the ice sheet the marker is on is shifting]www.scientificamerican.comexternal-linkmessage-square5linkfedilinkarrow-up168arrow-down15
arrow-up163arrow-down1external-linkThe South Pole Just Moved. Here's Why [the ice sheet the marker is on is shifting]www.scientificamerican.comLudicrous0251@piefed.zip to science@lemmy.worldEnglish · 3 months agomessage-square5linkfedilink
minus-squareLudicrous0251@piefed.zipOPlinkfedilinkEnglisharrow-up9·3 months agoWell that’s just a matter of your inertial reference frame.
minus-squarefrongt@lemmy.ziplinkfedilinkEnglisharrow-up6·3 months agoThe pole is defined in reference to the earth, so the frame is fixed. The pole moves in respect to the ice sheet, sure, but that’s why they have to move the marker.
minus-squareVenator@lemmy.nzlinkfedilinkEnglisharrow-up1·3 months agoThe earths axis of rotation does process over time too which I think might cause a very small portion of the movement too, I’m not 100% sure though 😅
Well that’s just a matter of your inertial reference frame.
The pole is defined in reference to the earth, so the frame is fixed. The pole moves in respect to the ice sheet, sure, but that’s why they have to move the marker.
The earths axis of rotation does process over time too which I think might cause a very small portion of the movement too, I’m not 100% sure though 😅