History of Hubble Space Telescope (HST)
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Açıklama
Astronaut Hoffman held the Hubble Space Telescope (HST) Wide Field/Planetary Camera-1 (WF/PC1) that was replaced by WF/PC2 in the cargo bay of the Space Shuttle orbiter Endeavour during Extravehicular Activity (EVA). The STS-61 mission was the first of the series of the HST servicing missions. Two months after its deployment in space, scientists detected a 2-micron spherical aberration in the primary mirror of the HST that affected the telescope's ability to focus faint light sources into a precise point. This imperfection was very slight, one-fiftieth of the width of a human hair. During four spacewalks, the STS-61 crew replaced the solar panel with its flexing problems; the WF/PC1 with WF/ — NASA MSFC · 1993. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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Bu eser kamu malı ya da açık lisanslı. Lisans koşulları kaynağın kendi sayfasında yazılı.
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Ürünü indirmek ya da uygulama içinde okumak için Shopy 101 uygulamasını kullan. Kitaplığına eklediğin her şey tüm cihazlarında aynı kalır.