In astrophysics, the Eddington number, NEdd, is the number of protons in the observable universe. Eddington originally calculated it as about 1.57×10 ; current estimates make it approximately 10 . The term is named for British astrophysicist Arthur Eddington, who in 1940 was the first to propose a value of … See more Eddington argued that the value of the fine-structure constant, α, could be obtained by pure deduction. He related α to the Eddington number, which was his estimate of the number of protons in the universe. This led him in … See more The most precise value of α (obtained experimentally in 2012) is: $${\displaystyle \alpha ^{-1}=137.035\,999\,174(35).}$$ Consequently, no reliable source any longer maintains that α is the reciprocal of an integer. Nor … See more • John D. Barrow (2002). The Constants of Nature from Alpha to Omega: The Numbers That Encode the Deepest Secrets of the Universe. Pantheon Books. ISBN See more • Eddington–Dirac number • Eddington number (cycling) • The Sand Reckoner • Universe See more http://scihi.org/arthur-eddington-general-relativity/
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WebMay 29, 2024 · Gravity isn't a force. Instead, Einstein conjectured, it is a feature of spacetime geometry. Einstein's theory predicts a deflection angle of 1.75 arcseconds for starlight grazing the Sun. The eclipse during … WebEddington Eddington in Florida. Find Eddington Eddington's phone number, address, and email on Spokeo, the leading people search directory for contact information and public records. epson scan soft software
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