Question: PSR B1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 seconds, it was discovered by which Northern Irish astrophysicist, and in March 2013, she was elected Pro-Chancellor of the University of Dublin?
Sentence (from "PSR B1919+21"): The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM-1 (for "little green men").
Relevant evidence: No