Hubble’s View of Planetary Nebula Reveals Complex Structure
NGC 6891 is a bright, asymmetrical planetary nebula in the constellation Delphinus, the Dolphin. via NASA https://ift.tt/3CXMLX6
NGC 6891 is a bright, asymmetrical planetary nebula in the constellation Delphinus, the Dolphin. via NASA https://ift.tt/3CXMLX6
What created the strange spiral structure on the upper left? No one is sure, although it is likely related to