Universe Expansion Insights
Sean delves into the concept of the universe's expansion, clarifying that it's not the entire universe expanding but rather the regions between galaxies. He explains that within gravitationally bound systems like galaxies, there is no expansion of space occurring, shedding light on the intricacies of this cosmic phenomenon.In this clip
From this podcast
Mindscape Podcast
Mindscape Ask Me Anything, Sean Carroll | July 2021
Related Questions
Is the universe expanding faster than the speed of light if it is x billion years old and the light we are seeing from seconds before the Big Bang traveled at the speed of light, as discussed in the episode Joe Rogan Experience #1003 - Sean Carroll and the clip Expanding Universe Insights
Is the universe expanding faster than the speed of light if it is x billion years old and the light we are seeing from seconds before the Big Bang is that old and traveled at the speed of light, as discussed in the episode Joe Rogan Experience #1003 - Sean Carroll and the clip Expanding Universe Insights
If the universe is x billion years old and the light we are seeing from seconds before the Big Bang is that old and traveled at the speed of light, is the universe in fact expanding faster than the speed of light?