Sensors Collect Crucial Data on Mars Landings with Arrival of Perseverance

The MEDLI2 hardware is visible on the Mars 2020 heat shield as the heat shield falls toward the surface of Mars. The critical MEDLI2 electronics, two of the seven heat shield pressure transducers; these measure the stagnation pressure during the hypersonic and supersonic phases of flight, and one of the 11 heat shield temperature locations can be seen. The copper-colored harness snaking around the heat shield is also evident. The circuitous path of the harness was to avoid the rover wheels and other items on the bottom of the rover. (Credits: NASA/JPL-Caltech)

HAMPTON, Va. (NASA PR) — “Tango delta. Touchdown confirmed. Perseverance safely on the surface of Mars, ready to begin seeking the signs of past life.” For more than six years, the Mars Entry, Descent, and Landing Instrumentation 2 (MEDLI2) team waited to hear these words.

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Touchdown! NASA’s Mars Perseverance Rover Safely Lands on Red Planet

A low-resolution image of the Perseverance rover’s landing site taken by an engineering camera. Dust stirred up by the landing partially obscures the terrain. (Credit: NASA)

PASADENA, Calif. (NASA PR) — The largest, most advanced rover NASA has sent to another world touched down on Mars Thursday, after a 203-day journey traversing 293 million miles (472 million kilometers). Confirmation of the successful touchdown was announced in mission control at NASA’s Jet Propulsion Laboratory in Southern California at 3:55 p.m. EST (12:55 p.m. PST).

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Sensors Prepare to Collect Data as Perseverance Enters Mars’ Atmosphere

MEDLI2 sensors, electronics, and harnessing installed on the inner surface of the Mars 2020 heat shield while it is mounted on the heat shield turn-over fixture. The MEDLI2 harness has a circuitous routing to avoid the wheels of the Perseverance rover. (Credits: NASA/JPL-Caltech)

HAMPTON, Va. (NASA PR) — Nearly six and a half months and 300 million miles since launch, NASA’s Perseverance rover will land on Mars Feb. 18, 2021, to begin its robotic exploration of the Red Planet. But before Perseverance touches down on the surface of Mars, it has to achieve a successful entry, descent, and landing (EDL).

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