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  2. PG5 (molecule) - Wikipedia

    en.wikipedia.org/wiki/PG5_(molecule)

    PG5 has a molecular mass of about 200 MDa or 200,000,000 g/mol. It has roughly 20 million atoms and a diameter of roughly 10 nm. Its length is up to a few micrometers. [3]

  3. List of largest cosmic structures - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_cosmic...

    Discovered through gamma-ray burst mapping. Largest-known regular formation in the observable universe. [8] Huge-LQG (2012–2013) 4,000,000,000 [9] [10] [11] Decoupling of 73 quasars. Largest-known large quasar group and the first structure found to exceed 3 billion light-years. "The Giant Arc" (2021) 3,300,000,000 [12] Located 9.2 billion ...

  4. CfA2 Great Wall - Wikipedia

    en.wikipedia.org/wiki/CfA2_Great_Wall

    The term "Great" has been added to distinguish it as an even larger type compared to standard galaxy walls. The CfA2 Great Wall has the maximum dimensions of either 500 million or 750 million light years depending on the figure and the reference used.

  5. Hercules–Corona Borealis Great Wall - Wikipedia

    en.wikipedia.org/wiki/Hercules–Corona_Borealis...

    The Hercules–Corona Borealis Great Wall (HCB) [1] [5] or simply the Great Wall [6] is a galaxy filament that is the largest known structure in the observable universe, measuring approximately 10 billion light-years in length (the observable universe is about 93 billion light-years in diameter).

  6. Galaxy filament - Wikipedia

    en.wikipedia.org/wiki/Galaxy_filament

    In cosmology, galaxy filaments are the largest known structures in the universe, consisting of walls of galactic superclusters.These massive, thread-like formations can commonly reach 50 to 80 megaparsecs (160 to 260 megalight-years)—with the largest found to date being the Hercules-Corona Borealis Great Wall at around 3 gigaparsecs (9.8 Gly) in length—and form the boundaries between voids ...

  7. Large quasar group - Wikipedia

    en.wikipedia.org/wiki/Large_quasar_group

    A large quasar group (LQG) is a collection of quasars (a form of supermassive black hole active galactic nuclei) that form what are thought to constitute the largest astronomical structures in the observable universe. LQGs are thought to be precursors to the sheets, walls and filaments of galaxies found in the relatively nearby universe. [1]

  8. Category:Megastructures - Wikipedia

    en.wikipedia.org/wiki/Category:Megastructures

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  9. Sloan Great Wall - Wikipedia

    en.wikipedia.org/wiki/Sloan_Great_Wall

    It also contains several galactic superclusters, the largest and richest of which is named SCl 126. This is located in the highest density region of the structure. [3] [4] In 2011, it was suggested that the SGW is a chance alignment of three structures, and not a structure in itself. [5]