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by orbital-decay
1882 days ago
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Actually it can be a fun exercise flying purely in IVA with a slide rule and window- or periscope-based reticles, just like those on Apollo Lunar Module [1][2], or Russian space stations [3]. The Apollo descent and landing procedure included elaborate roll maneuvers to confirm everything visually with the landing point designator. You can measure the horizon curvature and use similar techniques to guess your altitude and attitude. [1] https://apollo11space.com/apollo-11-windows/ [2] https://www.hq.nasa.gov/alsj/coas.htm [3] (yes, ISS has an optical viewfinder called VShTV - it's installed in Zarya module. It was meant for emergencies and never been used to reorient the module manually, AFAIK) |
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