Starship Asterisk*

Shame on APOD! To speak of "global warming" as if it's a factual phenomenon, and not an issue frought with debate over terms, methods, biases, serious conflicts of interest, outright fraud, and global political ties, is downright irresponsible. APOD authors may have their political and eve...

APOD has shown this bubble before. It is very intriguing. I wonder if there are other bubbles in the universe as prominent as this one? :? Orin I believe the Orion Nebula is a "bubble" nebula of very similar structure to this one, albeit somehwat degraded by a multitude of forces over tim...