This is Laniakea, our home supercluster. That red dot is the Miky Way galaxy. The large feather structure is about 100,000 galaxies bound together by mutual gravity as one as it moves thru the universe amongst an estimated 10 million other superclusters of various sizes via /r/spaceporn https://ift.tt/2y3CKso
via Tumblr https://ift.tt/2OgdPgi
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