TLDR: the TRGB gives us another HotTake!
The value of the Hubble Constant (H0) is a beast to pin down. However, it’s integral to our understanding of how the Universe evolved and will continue to evolve. H0 relates the speed with which distant objects are moving away from us—due to the Universe’s expansion—to how far away they are (see this Astrobite for a detailed explanation of how H0 assumed its […]