This illustration shows abstracted “slices” of space at different points in time. It is simplified as it shows only two of three spatial dimensions, to allow for the time axis to be displayed conveniently.
Author: Fredrik
Simplified artist's impression of the expansion of the universe since the big bang (2018)
Submitted 3 weeks ago by Innerworld@lemmy.world to physics@mander.xyz
https://upload.wikimedia.org/wikipedia/commons/9/92/Universe_expansion-en.svg
OwOarchist@pawb.social 3 weeks ago
Over-simplified, really.