Compléter 206-testVersion en ligne 206-test par Farhad Key 1 stellar stretches located own Stars and the material between them are almost always found in gigantic systems called galaxies . Our galaxy , the Milky Way System ; happens to be one of the two largest systems in the Local Group of two dozen or so galaxies_ The other is the Andromeda galaxy ; it more than one hundred thousand light - years from one end to the other , and it is about two million light - years distant from us .
Créer jeu