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  1. Earth Might Have Had a Ring 466 Million Years Ago

    WEB1 day ago · By Becky Ferreira. Sept. 20, 2024. If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say. A study ...

  2. Ordovician News

  3. Earth may have had a ring system 466 million years ago - MSN

  4. International Commission on Stratigraphy

    WEBThe annual Ordovician News provides an in-depth overview of the activities of members of our community and contact information to facilitate strengthing scientific connections. See the latest issue and the backlog …

  5. Ordovician–Silurian true polar wander as a mechanism for severe ...

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  7. Late Ordovician climate change and extinctions driven by elevated ...

  8. New 'Dune'-like Selkirkia worm species rewrites ancient …

    WEBApr 17, 2024 · Ancient predatory worms have scientists rethinking the history of life on Earth. Selkirkia tsering fossil found in a collection from the Fezouata Formation in Morocco. 500 million years ago, the ...

  9. Impact of global climate cooling on Ordovician marine …

  10. Ordovician - Wikipedia

    WEBThe Ordovician (/ ɔːr d ə ˈ v ɪ ʃ i. ə n,-d oʊ-,-ˈ v ɪ ʃ ən / or-də-VISH-ee-ən, -⁠doh-, -⁠ VISH-ən) [9] is a geologic period and system, the second of six periods of the Paleozoic Era.The Ordovician spans 41.6 million years …

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