Boss Great wall. The largest structure in the universe with 1 billion light years lenght [318 x 159] via /r/spaceporn https://ift.tt/2PXjSGV
via Tumblr https://ift.tt/2SdLJPI
Boss Great wall. The largest structure in the universe with 1 billion light years lenght [318 x 159] via /r/spaceporn https://ift.tt/2PXjSGV
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