Tony Finch dot@dotat.at https://dotat.at/ https://dotat.at/:/Q872D.html 2016-12-09T10:56:02Z New measurements of the Earth's rotation from 720 BC to AD 2015.
  • 2016‑12‑09 - New measurements of the Earth's rotation from 720 BC to AD 2015.
  • https://www.theguardian.com/science/2016/dec/07/earths-day-lengthens-by-two-milliseconds-a-century-astronomers-find
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