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Nauka i technika > Astronomia
Planetarium i Obserwatorium Astronomiczne w Grudziądzu im Mikołaja Kopernika Oficjalna strona Planetarium i Obserwatorium Astronomicznego w Grudziądzu Newsy gwiazdy gwiazdozbiory astronautyka i wiele innych tematów astronom
PR 2, Added 13/01/2008 19:08:28, URL grudziadz.planetarium.pl.
PR 2, Added 13/01/2008 19:08:28, URL grudziadz.planetarium.pl.