A little blog that gives you an interesting fact every day. So you really will learn something new every day.
Sunday, 5 June 2011
The brightest astronomical event in historic times was the supernova of 1054, which produced the Crab Nebula. The supernova was far brighter than Venus. It was bright enough to be visible in daylight and to cast a shadow at night. We know of it through the astronomical records of China, Japan, and the Middle East.