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Today in History: Venera 4 Makes Historic Venus Environment Discovery

10/18/2025

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Summary

Story summary

On October 18, 1967, the Soviet space probe Venera 4 made history as the first spacecraft to conduct direct analysis of another planet's environment, specifically Venus. It included a lander that parachuted into the thick atmosphere, providing crucial data about Venus's extreme conditions, including its high temperatures and dense carbon dioxide atmosphere.

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Story summary

On October 18, 1967, the Soviet space probe Venera 4 made history as the first spacecraft to conduct direct analysis of another planet's environment, specifically Venus. It included a lander that parachuted into the thick atmosphere, providing crucial data about Venus's extreme conditions, including its high temperatures and dense carbon dioxide atmosphere.