Neil deGrasse Tyson ‏@neiltyson
In a sunset plane ride from NYC to LA, if you flew 850 mph you would cancel Earth's rotation, freezing the Sun on the horizon
https://twitter.com/neiltyson/status/393740098459537408

Neil deGrasse Tyson ‏@neiltyson 
Planes fly between 500 & 650 mph, so east-west sunset flights don't freeze the Sun, but they beautifully prolong twilight.
https://twitter.com/neiltyson/status/393741802458456064

Neil deGrasse Tyson ‏@neiltyson
Supersonic planes can fly east-west fast enough to reverse Sunsets, landing at a clock time earlier than when they took off.
https://twitter.com/neiltyson/status/393743532256555008

Photo: http://traveljapanblog.com/wordpress/2011/06/leg-2-portland-to-amsterdam/
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