NASA Mars Rover Curiosity Gets Software Update
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Date: 5/31/2018 @ 1 p.m. ET
NASA's Mars rover Curiosity is spending its first weekend on Mars getting a software update to give it pointers on how to drive on the Red Planet.
NASA officials said the update prepares the rover for some of the tasks it must perform going forward, including driving and using its strong robotic arm.
NASA said Curiosity s "brain transplant" began on Aug. 10 and will be completed on Aug. 13. The upgrade will install a new version of software on both of the rover's redundant main computers. This software for Mars surface operations was uploaded to the rover's memory during the Mars Science Laboratory spacecraft's flight from Earth, NASA said.
"We designed the mission from the start to be able to upgrade the software as needed for different phases of the mission," said Ben Cichy of NASA's Jet Propulsion Laboratory in Pasadena, Calif., chief software engineer for the Mars Science Laboratory mission, in a statement. "The flight software version Curiosity currently is using was really focused on landing the vehicle. It includes many capabilities we just don't need any more. It gives us basic capabilities for operating the rover on the surface, but we have planned all along to switch over after landing to a version of flight software that is really optimized for surface operations."
For instance, a key capability in the new software is image processing to check for obstacles. This allows for longer drives by giving the rover more autonomy to identify and avoid potential hazards and drive along a safe path the rover identifies for itself. Other new capabilities facilitate use of the tools at the end of the rover's robotic arm.
Meanwhile, as Curiosity completes its software transition, the mission's science team is continuing to analyze images that the rover has taken of its surroundings inside Gale Crater. Gale Crater is the landing site for Curiosity. Researchers are discussing which features in the scene to investigate after a few weeks of initial checkouts and observations to assess equipment on the rover and characteristics of the landing site.
The Mars Science Laboratory spacecraft delivered Curiosity to its target area on Mars at 10:31:45 p.m. PDT on Aug. 5 (1:31:45 a.m. EDT on Aug. 6), which includes the 13.8 minutes needed for confirmation of the touchdown to be radioed to Earth at the speed of light, NASA said.
Curiosity carries 10 science instruments with a total mass 15 times as large as the science payloads on NASA's Mars rovers Spirit and Opportunity, NASA said. Some of the tools, such as a laser-firing instrument for checking rocks' elemental composition from a distance, are the first of their kind on Mars. Curiosity will use a drill and scoop, which are located at the end of its robotic arm, to gather soil and powdered samples of rock interiors, then sieve and parcel out these samples into the rover's analytical laboratory instruments.
Moreover, to handle this science toolkit, Curiosity is twice as long and five times as heavy as Spirit or Opportunity, NASA officials said. The Gale Crater landing site at 4.59 degrees south, 137.44 degrees east, places the rover within driving distance of layers of the crater's interior mountain. Observations from orbit have identified clay and sulfate minerals in the lower layers, indicating a wet history, NASA said.
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