fig. 1) View of the Earth from 15'000m AMSL. It turns about one degree of longitude every 4 minutes. In Switzerland, this amounts to 1158km/h, supersonic at altitudes above 4'000m AMSL. Flying westward at said speed in a Swiss Air Force Tiger F–5, we didn't turn with the Earth from Glarus to Lucerne. We documented the standstill by taking a picture of the Sun during those four minutes, which resulted in a point. More information and images: The Earth turns without me.
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| update 02-07-2012
| Copyright (c)2002–2012 by Christian Waldvogel