In this month: July
4 July 1054 Chinese astronomers notice a star explode becoming a supernova in the constellation Taurus. It remained visible in the night sky for 653 days. The remnant of that exploding star is what we now know as the Crab Nebula. The supernova shone roughly four times brighter than Venus and for a while was the third-brightest object in the sky, after the Sun and Moon. Image: The Crab Nebula in Taurus, Credit: ESO. The Chinese weren't the only ones to make a sighting. Astrono