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Tech journalist since the dark ages. Windows Secrets, LangaList newsletter, Windows Magazine (NetGuide, Home PC), Byte, Popular Computing, yadda yadda yadda. Google me, if it matters.

This feed is mostly personal interest; it's NOT my professional writing. There's tech here, yes, but also lots of general science and some politics and weird humor thrown in.

Thursday, March 31, 2011

The Great Beyond: GOCE mission reveals the 'true' shape of the Earth

"... the most accurate map ever of the so-called geoid - an Earth-encompassing spirit level and global reference surface.

"Markedly different from a simple sphere or ellipsoid, the geoid is the mathematically 'true' shape of our planet. It represents a motionless global ocean but takes into account the effects of the Earth’s rotation, weight difference resulting from the position of mountains and ocean trenches, and uneven mass distribution and density variations in the planet’s interior..."

Posted via email from Fred's posterous