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87.50 years is about 4,000,000 times as long as The First spacewalk
In other words, it's 3,800,000 times the length of The First spacewalk, and the length of The First spacewalk is 0.000000260 times that amount.
(1965) (Alexi Lenovo, a.k.a. Алексе́й Архи́пович Лео́нов)
On March 18th, 1965, during the Voskhod 2 Soviet space mission, cosmonaut Alexey Arkhipovich Leonov conducted the first human spacewalk, which lasted 0.0000230 years. The total mission length was 0.003 years.
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