We're eager to explore the oceans on Europa and Enceladus. First we have to get through all that ice. Then what? Tiny submarines maybe.
xploration. It’s coordinated at MARUM, the Center for Marine Environmental Sciences at the University of Bremen, Germany.
But they won’t be ready to test their small submarines for real in Antarctica until the Spring of 2026. And their first test site won’t be the subglacial lakes. Instead, they’ll start with field tests under theThe TRIPLE team will test their small subs near the Neumayer-Station 3, marked in red. Image Credit: By Alexrk2 – Own workData from http://nsidc.org/data/moa/ – Haran, T., J. Bohlander, T. Scambos, and M. Fahnestock compilers. CC BY-SA 3.0, https://commons.wikimedia.org/w/index.
The melting probe that carries the AUV is called TRIPLE-IceCraft and has already been developed and tested. It’s approximately four metres long, 20 centimetres in diameter and weighs almost 300 kilograms. Both the upper and lower head are heated to melt the ice, and the sides are also heated to prevent re-freezing of melted water.
Sebastian Meckel is the lead engineer on the project. “The objective is to garner expertise within the DLR Explorer initiatives that could be used in a possible international space mission,” he said. “The first field tests will deploy the melting probe with the nanoAUV integrated as payload in ice with a thickness of 100 meters. In addition, the nanoAUV is underactuated compared to larger autonomous vehicles, meaning it has limited maneuverability.
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