avdolian
avdolian t1_iyd26av wrote
Reply to comment by SoulWager in ELI5: How is that space is “flat” yet we are able to look around the universe (up, down, left, right, etc.,) as if it were not flat? by nhabz
If my friend stays one metre to my north and we both walk around the globe one of us will have walked further but they wouldn't have to constantly turn and we would never cross.
avdolian t1_iyd11w7 wrote
Reply to comment by its-octopeople in ELI5: How is that space is “flat” yet we are able to look around the universe (up, down, left, right, etc.,) as if it were not flat? by nhabz
>In a non-flat space, they don't
You can draw parallel lines on a sphere and they stay parallel
avdolian t1_iyd2b86 wrote
Reply to comment by urzu_seven in ELI5: How is that space is “flat” yet we are able to look around the universe (up, down, left, right, etc.,) as if it were not flat? by nhabz
Latitude lines are parallel