#ordovician_period — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ordovician_period, aggregated by home.social.
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Earth may have had a ring system 466 million years ago
https://www.monash.edu/science/news-events/news/current/earth-may-have-had-a-ring-system-466-million-years-ago
#ycombinator #Andrew_Tomkin #School_of_Earth_Atmosphere_and_Environment #Ordovician_period #Earth #Planetary_science