by Staff Writers
Pasadena CA (JPL) Apr 30, 2012
At 10:31 p.m. PDT April 27, (1:31 p.m. EDT), NASA's Mars Science Laboratory, carrying the one-ton Curiosity rover, will be within 100 days from its appointment with the Martian surface.
At that moment, the mission has about 119 million miles (191 million kilometers) to go and is closing at a speed of 13,000 mph (21,000 kilometers per hour).
"Every day is one day closer to the most challenging part of this mission," said Pete Theisinger, Mars Science Laboratory project manager at NASA's Jet Propulsion Laboratory in Pasadena, Calif.
"Landing an SUV-sized vehicle next to the side of a mountain 85 million miles from home is always stimulating. Our engineering and science teams continue their preparations for that big day and the surface operations to follow."
On Sunday, April 22, a week-long operational readiness test concluded at JPL. The test simulated aspects of the mission's early surface operations.
Mission planners and engineers sent some of the same commands they will send to the real Curiosity rover on the surface of Mars to a test rover used at JPL.
"Our test rover has a central
computer identical to Curiosity's currently on its way to Mars," said Eric Aguilar, the mission's engineering test lead at JPL.
"We ran all our commands through it and watched to make sure it drove, took pictures and collected samples as expected by the mission planners. It was a great test and gave us a lot of confidence moving forward."
The Mars Science Laboratory spacecraft, launched Nov. 26, 2011, will deliver Curiosity to the surface of Mars on the evening of Aug. 5, 2012, PDT (early on Aug. 6, Universal Time and EDT) to begin a two-year prime mission.
Curiosity's landing site is near the base of a mountain inside Gale Crater, near the Martian equator.
Researchers plan to use Curiosity to study layers in the mountain that hold evidence about wet environments of early Mars.
Mars Lab at NASA
Mars Lab at JPL
Mars News and Information at MarsDaily.com
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Mars Science Laboratory Adjusts Orbital Path And Tests Instruments
Pasadena CA (JPL) Mar 27, 2012
NASA's Mars Science Laboratory spacecraft, halfway to Mars, has adjusted its flight path for delivery of the one-ton rover Curiosity to the surface of Mars in August. Tests completed aboard Curiosity last week confirmed the health of science instruments the mission will use to learn whether an area holding an extensive record of Martian environmental history has ever offered conditions favorable ... read more
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