I was interviewing an astronomer for a story about planets outside our solar system, extrasolar planets. Exoplanets have names like Kepler-11 e, or HD 106906 b, or HAT-P-54b. (Googling those names will get you some satisfyingly weird planets and in fact, most exoplanets are satisfyingly weird.  I mean, 51 Peg b is 150 times more […]