Vesto Slipher (1875-1969) Lowell Observatory discovers a strange - PowerPoint PPT Presentation

Aug 16, 2023 •255 likes •416 views

Vesto Slipher (1875-1969) Lowell Observatory discovers a strange thing in 1912 Most nearby galaxies are moving away from us Made use of the Doppler shift in atomic spectra Edwin Hubble (1889-1953) and Milton Humason (1891- 1972) at Mount

Vesto Slipher (1875-1969) Lowell Observatory discovers a strange thing in 1912 … Most nearby galaxies are moving away from us Made use of the Doppler shift in atomic spectra
Edwin Hubble (1889-1953) and Milton Humason (1891- 1972) at Mount Wilson Observatory combine Hubble’s distance measurements (Cephied variable stars) with Slipher’s reshift information and discover … Galaxies that are further away are moving away from us faster Hubble’s Law V=Hd
Light travels from NYC to San Francisco in 1/100 second …. and it travels 1 Mpc in 3 million years

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