آیا زمین میتواند از برخورد 100 میلیون مگاتنی جان سالم بهدرببرد؟
An examination of the dangers posed by potential comet and asteroid impacts with the Earth, as well as the future plans to research and exploit these celestial bodies.
Subscribe to Spark for more amazing science, tech & engineering videos: https://goo.gl/LIrlur
نظرات