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NASA’s Insight lander starts digging into surface of Mars

NASA's InSight lander has dug nearly 2 centimetres (3/4 of an inch) into the Martian surface with the help of its heat probe called "the mole". The procedure was done with the robotic arm of the spacecraft, which holds the heat probe.

By: Tech Desk | New Delhi |
Updated: October 19, 2019 9:39:35 am
nasa, nasa insight, nasa insight lander, nasa insight mole, nasa insight mole heat probe, nasa insight dug 2 centimeters into mars surface, nasa insight dug into mars surface, mars surface, nasa insight lander update NASA InSight’s heat probe, or “mole,” is seen digging about a centimeter (half an inch) below the surface last week. (Image source: NASA/JPL-Caltech)

NASA’s InSight lander has dug nearly 2 centimetres (3/4 of an inch) into the surface of Mars with the help of its heat probe called “the mole”, the US space agency has announced. The procedure was done with the robotic arm of the spacecraft, which holds the heat probe. It dug down the ground to determine the amount of heat that is escaping from the interior of the neighbouring planet.

Even though the heat probe barely dug 2 centimetres in the red planet’s surface, NASA says that the probe is designed to go as much as 16 feet (5 metres) deep into the Martian surface. The heat probe began digging back in February this year and was only able to be partially buried since then. The US space agency said that the recent movement was a result of its new strategy.

According to scientists, pressing the scoop on InSight’s robotic arm against the mole, becomes helpful in digging down through an unexpectedly strong Martian soil. This process is called “pinning” and seems to provide the friction which is required for rigging. Otherwise, it would just bounce in place without having any effect, the agency explained in a statement.

NASA said that since October 8, 2019, the mole has slammed over 220 times on three separate occasions, the process was revealed by NASA in a GIF image.

The space agency’s experts say that there aren’t any rock blocking the mole which was previously thought to be a possibility. NASA says that it may be forced to use the scoop for pinning the mole’s top, directly in the future. However, doing so can be risky because the device is tethered to the instrument.

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“Seeing the mole’s progress seems to indicate that there’s no rock blocking our path,” HP3 Principal Investigator Tilman Spohn of German Aerospace Center (DLR) said in the statement. “That’s great news! We’re rooting for our mole to keep going.”

The mole is part of an instrument called the Heat Flow and Physical Properties Package, or HP3, which was provided by the DLR.

An engineer and scientist who led the mole recovery effort, Troy Hudson said, “The mole still has a way to go, but we’re all thrilled to see it digging again. When we first encountered this problem, it was crushing. But I thought, ‘Maybe there’s a chance; let’s keep pressing on.’ And right now, I’m feeling giddy.”

Also Read | ISRO releases first illuminated image of lunar surface captured by Chandrayaan-2

Recently, NASA’s Mars Orbiter captured the InSight and Curiosity rover on the surface of the neighbouring planet. The space agency said that the pictures were taken on September 23, 2019, at an altitude of 169 miles (272 kilometers) above the surface.

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