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75

Centuries: 1st century BC - 1st century - 2nd century

Decades: 20s 30s 40s 50s 60s - 70s - 80s 90s 100s 110s 120s

Years: 70 71 72 73 74 - 75 - 76 77 78 79 80


Events Births

Deaths



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Redshift

... in the 1960s, although this is not widely accepted now. The redshift observed in astronomy can be measured because the emission and absorption spectra for atoms are ...