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Geography, 13.05.2021 20:30 kitttimothy55

Edwin Hubble knew all about standard candles and red shift. He used the amount of red shift in known standard candles to determine their (two words - noun). He then used the distance of standard candles to calculate their (two words - noun).
After he plotted the standard candles' distances vs their redshift, he realized that the Universe is (one word - verb), which was a huge surprise to everyone, including himself and Einstein.

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