Emerging like a celestial dolphin leaping through the cosmos, Sh2-308, or the Dolphin Nebula, is a striking example of a Wolf-Rayet bubble located in the Canis Major constellation. This...
This planetary nebula is located near M26 in the constellation Puppis. In distance, this nebula is closer than the M26 cluster. The nebula is a gaseous cloud, resulting from a sun-like...