Năm 2035: Thang máy vũ trụ được xây dựng như thế nào?
Từ ngày 12/4/1981 – khi chiếc phi thuyền đầu tiên của Colombia bay vào không gian, đã có thêm khoảng 100 phi thuyền nữa được bay vào vũ trụ. Và từ đó theo thống kê thì chi phí để vận chuyển 1kg trọng tải...
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