Why is the TRAPPIST-1 system so fascinating? Is it really habitable? How are we figuring all this out?
What blows me away about the universe? How is it all connected? How does universality give physics the power to explain everything?
What kind of crazy physics made primordial black holes? What does that have to do with the LIGO observations of merging black holes? How can we possibly detect them?
What is the “missing baryon problem”? How do we know how many baryons there ought to be? What does the cosmic web have to do with it? What the heck is a baryon, anyway?
What was Newton’s genius? Why was his work so controversial? Why are his laws of motion so radical?