Star Fomalhaut with an icy outer ring that has an unusually sharp inner boundary, is just 25 light-years away & is orbited by planet, Dagon & several inner dust disks. The ring has been discovered about 20 years ago. Credit:ALMA (ESO/NAOJ/NRAO);NASA,ESA/Hubble;NRAO/AUI/NSF. via /r/spaceporn https://ift.tt/2tuNcqJ
via Tumblr https://ift.tt/2SQyBER
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