Page 4 - Xavier Strottner News Today

French and German amateur astronomers have discovered a mysterious nebulous arc close to the Andromeda galaxy (M31), and no one has a clue about its true nature. The arc, detected in the light of doubly ionized oxygen, has never been seen before,...

Clues to the origin of this enormous cloud of gas have been maddeningly vague

Zoom In StDr 56, a possible planetary nebula in the constellation of Triangulum. It’s about the same size as the full Moon on the sky. Credit: Robert Pölz, Marcel Drechsler, Xavier Strottner See? I told you. Absolutely breathtaking. But... what is it? The quick version is, I dont know. The slightly more lengthy version is, its a nebula, and probably a planetary nebula, but I have never seen one like this, and there are some baffling aspects of it I cannot explain. StDr 56 was discovered by ...