TAIYUAN, Dec. 17 (Xinhua) -- China sent a new group of satellites into space on Tuesday from the Taiyuan Satellite Launch Center in northern Shanxi Province. Launched at 2:50 a.m. (Beijing Time) ...
Abstract:The global ocean covers 71% of Earth’s surface, yet the seafloor is poorly charted compared with land, the Moon, Mars, and Venus. Traditional ocean mapping uses ship-based soundings and nadir ...