Absolutely, very well said. Our understanding of the cosmos has changed dramatically in the past 100 years. People forget that we were still debating whether galaxies beyond our own existed (!!!!!!!) just 100 years ago.

https://en.wikipedia.org/wiki/Timeline_of_knowledge_about_ga....

With such knowledge ready at hand for such a thorough comment on HackerNews, I am curious what your learning lifestyle is (books mostly? What kind? How many hrs a week? How much other media do you consume? Youtube? Netflix docos?). As I get older I'm realizing that life is too damn short to learn all the stuff I want to learn and so am constantly thinking about how best to spend my time.