Poplar?@lemmy.world to 196@lemmy.blahaj.zoneEnglish · 2 days agoStay rulelemmy.worldimagemessage-square79fedilinkarrow-up1852arrow-down115
arrow-up1837arrow-down1imageStay rulelemmy.worldPoplar?@lemmy.world to 196@lemmy.blahaj.zoneEnglish · 2 days agomessage-square79fedilink
minus-squareRob Bos@lemmy.calinkfedilinkEnglisharrow-up2·2 days agoThink of a balloon expanding. All the dots on the surface are moving away from one another. No dot is the centre.
minus-squareunexposedhazard@discuss.tchncs.delinkfedilinkEnglisharrow-up3·2 days agoIf they are all moving away from each other, that means if you reverse time they will all converge at a single point, which would be the center.
minus-squareRob Bos@lemmy.calinkfedilinkEnglisharrow-up5·2 days agoEvery point is that point. Every point would see the whole universe converge on them simultaneously.
Think of a balloon expanding. All the dots on the surface are moving away from one another. No dot is the centre.
If they are all moving away from each other, that means if you reverse time they will all converge at a single point, which would be the center.
Every point is that point. Every point would see the whole universe converge on them simultaneously.