Calabash Nebula (Rotten Egg Nebula)
Calabash Nebula, more famously known as the Rotten Egg Nebula, is a bipolar protoplanetary nebula located in the constellation Puppis. The nebula lies at an approximate distance of 4,200 light years from Earth. Its official designation is OH 231.8+4.2. The Calabash Nebula is about 1.4 light years long and has a radius of 0.7 light years. … [Read more…]