Space Rocket History #40 – The First Woman in Space, Vostok 5 & 6 with Bykovsky and Tereshkova – Part 2

January 12, 2018 @ 9:11 pm

Vostok 5’s orbit turned out to be lower than the expected 181 by 235 km. The actual orbit was 175 by 222 km.  Initial calculations indicated the orbit of Vostok 5 would not decay for 10 or 11 days, however more conservative estimates, taking into account the increased solar activity and the resulting expanding of the upper atmosphere showed that the orbit could decay after only 8 days. With no way of predicting where Vostok 5 might land, the planned eight-day mission was now in question…

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