A nice (and timely) follow-up to a post last week talking a little about metallicity. This planetary nebula has no “common name” that I can find. Looks a bit like a Jellyfish to me. Here’s ESA description: This NASA/ESA Hubble Space Telescope image shows a planetary nebula named NGC 6153, located about 4,000 light-years away […]

ift.tt/eA8V8J via Astronomy News ift.tt/PsAym7