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within the surrounding environmental stantly. Combine the sampling speed of in diameter, 230 cm long and weigh- and economic landscape cannot be over- our ships and the expense to cover the ing 120 kg, the AUV can support an 8 stated. For scientists, however, studying kind of ground that the AUV can cover, W sensor payload for distances up to this huge yet mysterious ecosystem has and it becomes absolutely impossible to 2,000 km at 1 m/s; and this range can often been challenging. match what the AUV can do.” be extended to several thousand kilo-

In hopes of better understanding this Tethys is designed