Hyokki
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Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nuclei powered by supermassive central black holes.

Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nuclei powered by supermassive central black holes.

星団,ハッブル宇宙望遠鏡,望遠鏡の画像,ミスト,銀河,オリオン星雲,宇宙,コスモス,星,Umbanda,風景,第5,母なる自然,自然,他の場所で,初回,平和,戦争,Mists,Horsehead Nebula,Stars,Landscapes,Fifth,Mother Nature,Nature,Elsewhere,First,Peace,War

Crescent Moon, Earth’s Atmosphere (NASA, International Space Station Science, 09/04/10 @Tami Arnold Knepper

Crescent Moon, Earth’s Atmosphere (NASA, International Space Station Science, 09/04/10 @Tami Arnold Knepper

Comet Lovejoy, Earth's Horizon  (NASA, International Space Station, 12/22/11)

Comet Lovejoy, Earth's Horizon (NASA, International Space Station, 12/22/11)