Astronomical twilightAstronomical twilight is defined as the time during which the Sun is between zero and eighteen degrees below an ideal horizon.At high northern or southern latitude, astronomical twilight may last from dusk until dawn for several months in the summer as the sun is never sufficiently far below the horizon.
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"There are two ways of constructing a software design; one way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult." - C. A. R. Hoare |
