It's often said that the because our radio and television signals have beamed into space for 80 years now, aliens should have figured out that we're here and have sent us a message.
غالبا قيل ذلك بسبب اشارة الراديو والتفلزيون الخاص بنا التي تشع في الفضاء لـ 80 سنة حتى الآن,