Resident Astronomer David Vincent looks again at Celestial Bodies How did we measure time before mechanical devices? The day and night cycle is obvious, and fine for “let’s have a run the day after tomorrow”, but what...
Apologies for the wrong location of controls 127 and 130. The overall results are correct but the split times on the Medium Technical course around those two controls are misleading or missing due to the need to add a manual punch
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