Podcaster: Dr. Pamela Gay
Title: Escape Velocity Space News – EVSN – The Compass (Sometimes… Kinda) Points North
Organization: Cosmoquest
Link: http://dailyspace.org/
Description:
From Wednesday, January 24, 2024.
If you take a compass and follow its pointy little needle, you will end up in Northern Canada but not at the North Pole. If you have a boat, you’ll end up on Ellesmere Island wondering where Santa is hiding.
The fact that the rotational north pole of the Earth and the magnetic pole of the Earth don’t align means that if you want to actually get to the Earth’s rotational North Pole – the one the pole sticks out of on your globe – you have to look up corrections online and veer a little bit in whatever direction the correction happens to be at the moment. And if you are catching this show sometime far, far in the future, then Ellesmere Island, where that is true in early 2024, is likely no longer true.
Bio: Dr. Pamela Gay is a Senior Scientist at Planetary Science Institute and a Director of CosmoQuest.
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365 Days of Astronomy
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