Pod solnechnym parusom
8.03.2003 | Astronomicheskaya kartinka dnya

Pochti 400 let nazad astronom Iogann Kepler, nablyudaya komety, ponyal, chto ih hvosty otklonyayutsya pod deistviem solnechnogo sveta. On predpolozhil, chto mozhno sozdat' kosmicheskie korabli, kotorye budut peredvigat'sya v prostranstve pod parusami. Solnechnyi svet deistvitel'no okazyvaet davlenie na hvosty komet, v nastoyashee vremya eto yavlyaetsya priznannym faktom.