InSight deploys heat sensor onto Mars surface


InSight has successfully deployed its temperature instrument onto the Martian surface, where it will next begin drilling its heat sensor about sixteen feet down into the ground.

Equipped with a self-hammering spike, mole, the instrument will burrow up to 16 feet (5 meters) below the surface, deeper than any previous mission to the Red Planet. For comparison, NASA’s Viking 1 lander scooped 8.6 inches (22 centimeters) down. The agency’s Phoenix lander, a cousin of InSight, scooped 7 inches (18 centimeters) down.

“We’re looking forward to breaking some records on Mars,” said HP3 Principal Investigator Tilman Spohn of the German Aerospace Center (DLR), which provided the heat probe for the InSight mission. “Within a few days, we’ll finally break ground using a part of our instrument we call the mole.”

Whether the spike will be able to get to 16 feet will depend on many factors, such as whether a rock below the surface happens to be in the way.

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