Christmas is almost upon us. Once again I’m offering my e-books for free during the first five days of December! Just call me Father Christmas :-). 509 more words
Tags » Frank Drake
In 1967 Jocelyn Bell, a 24-year-old student from Cambridge University, was doing the research for her PhD.
She was using a radio telescope to study radio waves emitted from compact astronomical objects known as quasars, and when she analysed the data she had collected, she noticed a signal which appeared to pulse on and off every 1.3 seconds. 1,756 more words