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Galileo’s Phases of Venus and Other Planets

Galileo Galilei's observations that Venus appeared in phases -- similar to those of Earth's Moon -- in our sky was evidence that Venus orbited the sun and contributed to the downfall of the centuries-old belief that the sun and planets revolved around Earth.
July 5, 2011
Credit Istituto di Linguistica Computazionale
Language
  • english

Galileo Galilei’s observations that Venus appeared in phases — similar to those of Earth’s Moon — in our sky was evidence that Venus orbited the sun and contributed to the downfall of the centuries-old belief that the sun and planets revolved around Earth. Also sketched here are Jupiter, Saturn and Mars.

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Galileo’s Phases of Venus and Other Planets

Sep 4, 2023

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