Eer bir baka gezegeni Dnyaya dntrecek gcmz varsa; o zaman Dnyay da eski Dnya haline getirmeye gcmz var demektir. -Neil deGrasse TysonBu kanalda sizlere elimden geldiince sizlere bilgi videolar,elenceli videolar,eitim videolar,uzay videolar,teknoloji videolar ve bilim videolar hazrlamaya alyorum.
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