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Solnce

Sumerki

Vremya sutok, kogda Solnce nahoditsya pod gorizontom (pered rassvetom ili posle zakata), no viden solnechnyi svet, rasseyannyi v verhnih sloyah zemnoi atmosfery. Grazhdanskie sumerki zakanchivayutsya, kogda Solnce opuskaetsya na 6o pod gorizont, navigacionnye - na 12o, a kogda Solnce opuskaetsya na 18o, zakanchivayutsya astronomicheskie sumerki i nastupaet noch'. Sumerki nablyudayutsya na lyuboi planete ili sputnike, imeyushih atmosferu.


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Publikacii s klyuchevymi slovami: Sumerki
Publikacii so slovami: Sumerki
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