flattening

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Data analysis of the Super Bowl's "winningest" teams, game locations, MVP winners by position, teams with the most game losses. football, sports, infographic

From Sport to Spectacle: The History of the Super Bowl

earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.

The 6 Deadliest Earthquakes Since 1950

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)

6 Important Mughal Emperors

Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.

Nikola Tesla's Weird Obsession with Pigeons

flattening

geodesy

Also known as: polar flattening

Learn about this topic in these articles:

measurement of Earth

In geoid
Flattening (f) is defined as the difference in magnitude between the semimajor axis (a) and the semiminor axis (b) divided by the semimajor axis, or f = (a − b)/a. For Earth the semimajor axis and semiminor axis differ by about 21 kilometres (13 miles),…
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