StoryNote logo

When we say "the universe is expanding", what is it expanding into? What is just over 'the edge' of the universe?

by /u/blackhawk767 in /r/askscience

Upvotes: 1

Favorite this post:
Mark as read:
Your rating:
Add this post to a custom list

StoryNote©

Reddit is a registered trademark of Reddit, Inc. Use of this trademark on our website does not imply any affiliation with or endorsement by Reddit, Inc.