Activity for Neil
Type | On... | Excerpt | Status | Date |
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Question | — |
An interplanetary coordinate system On earth, we use a simple but effective coordinate system which determines position unambiguously on the surface (GPS achieving accuracy within 1 meter, which speaking as an engineer, is a remarkable feat in of itself). For example, Greenwich, England is located at coordinates 51.4800° N, 0.0000Â... (more) |
— | almost 10 years ago |