明亮行星状星云NGC 7027的哈勃影像
2020 June 30 Bright Planetary Nebula NGC 7027 from Hubble Image Credit: NASA, ESA, Joel Kastner (RIT) et al.; Processing: Alyssa Pagan (STScI) Explanation: What created this unusual planetary nebula? NGC 7027 is one of the smallest, brightest, and most unusually shaped planetary nebulas known. Given its expansion rate, NGC 7027 first started expanding, as vi...