“And so we're allowed to then say, "If you're an alien, you're coming visiting us and you're of this universe and you're functioning in this universe, your laws of physics are going to be the same as ours."”

“doing physics is not about showing off as being smart it's about understanding reality understanding nature and if you're trying to do that you should be guided by evidence”

“it's a mystery. It remains a mystery. It it's never repeated and that's kind of curious. I've been advocating that we should observe it more intensely”

“astrophysics I felt was where the natural world met weirdness and hoof let's do it”

“the answer is they're everywhere there are planets everywhere and it was possible that uh planets were really rare we didn't really understand how planets formed and so if you go back to say the turn of the 20th century uh there was a theory that said planets formed when two stars passed by each oth”

“Chandra is our sharpest X-ray view, right? Of that high-energy universe. It has, still to this day after 26 years of being in operation, you know? It's looking at things like exploding stars, it's looking at things like clusters of galaxies and the hot gas that envelops them.”

“Well, the sun creates some much larger cocoon or bubble with the solar wind. Solar wind doesn't stop anywhere. It continues to propagate, right? And it's a bubble that surrounds all the planets um and presses against the local interstellar medium. This is like the boundary with our own Milky Way gal”

“but the cosmic rays that we've been talking about they can penetrate into the molecular clouds deeper than anything else okay and provide a source of heat and what we've noticed is that molecular clouds are a little hotter than one might predict they should be really coolor there and so there seems ”