Stamets@lemmy.dbzer0.com to Memes@sopuli.xyz · 1 个月前watlemmy.dbzer0.comimagemessage-square160fedilinkarrow-up1550
arrow-up1550imagewatlemmy.dbzer0.comStamets@lemmy.dbzer0.com to Memes@sopuli.xyz · 1 个月前message-square160fedilink
minus-squaresp3ctr4l@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up7·1 个月前Things cannot move through space at a speed faster than lightspeed. This rule does not apply to space itself. Also, interestingly, shadow boundaries can ‘move’ faster than the speed of light. https://www.iflscience.com/shadows-can-move-across-a-surface-faster-than-the-speed-of-light-75112 Because a shadow isn’t truly a ‘thing’. Its just an area where light bouncing off of something is not happening (as much).
Things cannot move through space at a speed faster than lightspeed.
This rule does not apply to space itself.
Also, interestingly, shadow boundaries can ‘move’ faster than the speed of light.
https://www.iflscience.com/shadows-can-move-across-a-surface-faster-than-the-speed-of-light-75112
Because a shadow isn’t truly a ‘thing’.
Its just an area where light bouncing off of something is not happening (as much).