Correction for the length of The First spaceflight (Sputnik)
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How long is 541.10 weeks?
It's about 40 times as long as The First spaceflight (Sputnik)
The length of The First spaceflight (Sputnik) is about 13 weeks.
(a.k.a. Sputnik 1, a.k.a. Спутник-1, a.k.a. "Satellite-1", a.k.a. Простейший Спутник-1) (1957) (total time in orbit)
Launched from Kazakhstan in 1957, Sputnik was the first artificial satellite placed into orbit around Earth, where it remained for 13 weeks. During its voyage, it traveled about 70,000,000 km (43,495,983.46 mi), completing an orbit of the planet every 0.0095 weeks.