AMA | September 2024

8145.691 - 8170.816 Sean Carroll

The universe could very well be a closed system and still have dark energy becoming more and more over time. I wrote a blog post once then you can look up Google energy is not conserved. And you will find my blog post explaining that there's this particular example of a way of defining energy, which is take the energy density per cubic centimeter and multiply it by the number of cubic centimeters.