Curious Kids: will the universe expand forever, or contract in a big crunch?

29 May 2018
Cosmos comic
About a century ago, we didn’t even know that galaxies existed.

What’s more likely - that the universe will expand forever, or that it will contract in a big crunch, causing the end of the cosmos?

Pretty much as soon as we understood what galaxies were, we discovered that they are all moving away from each other, and the ones that are further away are moving faster — in other words, the universe is expanding.

Read the full story on The Conversation