The Cygnus Wall deep inside the large stellar nursery Caldwell 20 about 1,600 light-years away (credit: Focal Pointe Observatory) via /r/spaceporn https://ift.tt/2MA2pBD
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The Cygnus Wall deep inside the large stellar nursery Caldwell 20 about 1,600 light-years away (credit: Focal Pointe Observatory) via /r/spaceporn https://ift.tt/2MA2pBD
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