A supernova that skywatchers in the Far East observed almost 850 years ago has produced the most unusual remnant astronomers have ever found
The post Amateur Astronomer Discovers a Weird Supernova's Fireworks appeared first on Sky & Telescope.
A supernova that skywatchers in the Far East observed almost 850 years ago has produced the most unusual remnant astronomers have ever found
The post Amateur Astronomer Discovers a Weird Supernova's Fireworks appeared first on Sky & Telescope.