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Magnetic declination is given by the difference and direction between the magneti
EXPLORING THE SOUTH ATLANTIC AS A CELESTIAL NAVIGATOR TURNS INTO A THREE-YEAR QUEST FOR A LITTLE-VISITED ARCHIPELAGO, BY KATE SCHNIPPERING
Understanding buoyage and how to use it is ...
Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom
Are some localities anomaly hot spots? In practice, it can be hard to tell. If a few incidents receive publicity, that could encourage other witnesses to come forward. The total number of strange inci
1 Dec 00:00 AEDT (30 Nov, 13:00 UT) 15 Dec 23:00 AEDT (12:00 UT) 31 Dec 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ
Tony Moss and his wife Marike cross the North Sea to sail around Britain anticlockwise, braving the Scottish summer along the way