Triton: samyi krupnyi sputnik Neptuna
10.10.1999 | Astronomicheskaya kartinka dnya

10 oktyabrya 1846 goda, rovno 153 goda nazad, Uil'yam Lassel nablyudal svezheotkrytuyu planetu Neptun. On hotel podtverdit' nablyudeniya, kotorye on provodil na predydushei nedele, i dogadki o tom, chto vokrug Neptuna vozmozhno sushestvuet kol'co. Odnako teper' on otkryl sputnik u etoi planety.