Khí cầu chở khách lên vùng cận vũ trụ
Công ty Mỹ dự định phóng hệ thống khinh khí cầu - khoang tàu chở khách lên độ cao ít nhất 30.000 m để chiêm ngưỡng đường cong Trái Đất...
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