May 24, 2024


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Three Norths Align, And It’s Not Even Up North

At times below at Hackaday we deliver you tales from a little bit exterior our earth of tech, because they have an exciting angle. Probably they relate to science or astronomy, or in the situation of the UK’s Ordnance Study conveying how Britain’s 3 Norths will align, geography.

Some of you may well know that the British monarch has two birthdays, but a few Norths, what on earth is going on? You’ll guess that two of them are legitimate North, pointing to the North Pole, and magnetic North, pointing to the Earth’s north magnetic field, but how about the 3rd? It is grid North — the north of the country’s mapping grid procedure in which the curved surface is projected on to a flat sheet.

It aligns with legitimate North at 2 levels West of Greenwich, and the information is that for the very first time ever because of to motion of the magnetic North Pole, the three unique Norths will align at a place in the south of England. Magnetic North has been on the shift at some rate more than the very last number of a long time, from a placement somewhere in the Canadian Arctic islands northwards, and it so transpires that for Brits its path is briefly aligned with our watch of the Pole. The Ordnance Survey story is of some interest, but for a wealth of information and facts it is worth consulting NASA. Consider a appear at the video clip beneath the break.

Header graphic: ArnoldReinhold, CC BY-SA 4..