Activity for Cfranciscoâ€
Type | On... | Excerpt | Status | Date |
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Question | — |
Small eclipse on earth Could one make a smaller eclipse kept stationary on the surface of the earth in order that one may be able to see the stars 24/7 from one site? How could this be achieved? Geostationary satellite with a heap of fuel to steer it keeping the shadow path on the one point? (more) |
— | over 5 years ago |