Açıklama
The idea that ultimately became Skylab first surfaced in 1962 as a proposal to convert a spent Saturn upper stage (Saturn V S-II stage) into an orbital workshop. In 1968, the Marshall Space Flight Center proposed an alternative to the wet workshop concept of refurbishing a space station in orbit. Instead, a fully equipped dry workshop could be launched as a complete unit ready for occupancy. Skylab became the free world's first space station. Launched in May 1973, the Skylab space station was occupied in succession by three teams of three crewmembers. These crews spent 28, 59, and 84 days respectively, orbiting the Earth and performing nearly 300 experiments. This view of Skylab in orbit was — NASA MSFC · 1974. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
Kaynak ve lisans
Bu eser kamu malı ya da açık lisanslı. Lisans koşulları kaynağın kendi sayfasında yazılı.
Nasıl açılır?
Ürünü indirmek ya da uygulama içinde okumak için Shopy 101 uygulamasını kullan. Kitaplığına eklediğin her şey tüm cihazlarında aynı kalır.