Science Picture Library/Alamy
RECENTLY, I used to be giving a tour of the College of New Hampshire’s division of physics and astronomy to a visitor who isn’t a scientist. Among the many many questions he requested was: “How does these items present up in the actual world?” The sort of stuff I do, I defined, is generally simply figuring out issues for the sake of our big-picture understanding of the universe and our place in it.
Later, I realised I had made a mistake in not giving a sensible instance primarily based on the category I’m instructing, an introduction to stellar astrophysics. The subject can appear as …
