Balerion6@lemmy.world to Showerthoughts@lemmy.worldEnglish · edit-26 天前Time travel doesn't work unless you also have teleportation. If you travel to the past/future, Earth will be in a different position in its orbit, and you'll die in space.message-squaremessage-square68fedilinkarrow-up1235arrow-down132
arrow-up1203arrow-down1message-squareTime travel doesn't work unless you also have teleportation. If you travel to the past/future, Earth will be in a different position in its orbit, and you'll die in space.Balerion6@lemmy.world to Showerthoughts@lemmy.worldEnglish · edit-26 天前message-square68fedilink
minus-squarefubbernuckin@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up3·6 天前I’m using the microwave background as a reference
minus-squaredaniskarma@lemmy.dbzer0.comlinkfedilinkarrow-up4·6 天前I tried, but then it started blinking.
minus-squarekryptonianCodeMonkey@lemmy.worldcakelinkfedilinkarrow-up3·6 天前The microwave background is like a rainbow. When you move, it appears to move. You’re always at the “center” of it.
minus-squarefubbernuckin@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up1·6 天前You can measure the Doppler shift relative to the cosmic microwave background though
I’m using the microwave background as a reference
I tried, but then it started blinking.
The microwave background is like a rainbow. When you move, it appears to move. You’re always at the “center” of it.
You can measure the Doppler shift relative to the cosmic microwave background though
Lol, that’s omnipresent