Tuesday, May 14, 2013

NASA's Mars Mission with Rover Curiosity

With its rover named Curiosity, Mars Science Laboratory mission is a part of NASA's Mars Exploration Program, a long-term effort of robotic exploration on the red planet of our Solar System. Curiosity was designed to assess whether Mars ever had an environment able to support small life forms called microbes. In other words, its mission is to determine the planet's "habitability."

Mars Science Laboratory will study Mars' habitability:
To find out, the rover carries the biggest, most advanced suite of instruments for scientific studies ever sent to the martian surface. The rover will analyze samples scooped from the soil and drilled from rocks. The record of the planet's climate and geology is essentially "written in the rocks and soil" - in their formation, structure, and chemical composition. The rover's on-board laboratory will study rocks, soils, and the local geologic setting in order to detect chemical building blocks of life (e.g., forms of carbon) on Mars and will assess what the martian environment was like in the past.

Mars Science Laboratory relies on innovative technologies:
Mars Science Laboratory will rely on new technological innovations, especially for landing. The spacecraft descended on a parachute and then, during the final seconds prior to landing, lowered the upright rover on a tether to the surface, much like a sky crane. Now on the surface, the rover will be able to roll over obstacles up to 75 centimeters (29 inches) high and travel up to 90 meters (295 feet) per hour. On average, the rover is expected to travel about 30 meters (98 feet) per hour, based on power levels, slippage, steepness of the terrain, visibility, and other variables.

The rover carries a radioisotope power system that generates electricity from the heat of plutonium's radioactive decay. This power source gives the mission an operating lifespan on Mars' surface of a full martian year (687 Earth days) or more, while also providing significantly greater mobility and operational flexibility, enhanced science payload capability, and exploration of a much larger range of latitudes and altitudes than was possible on previous missions to Mars.

Arriving at Mars at 10:32 p.m. PDT on Aug. 5, 2012 (1:32 a.m. EDT on Aug. 6, 2012), Mars Science Laboratory will serve as an entree to the next decade of Mars exploration. It represents a huge step in Mars surface science and exploration capability because it will:
  • Demonstrate the ability to land a very large, heavy rover to the surface of Mars (which could be used for a future Mars Sample Return mission that would collect rocks and soils and send them back to Earth for laboratory analysis)
  • Demonstrate the ability to land more precisely in a 20-kilometer (12.4-mile) landing circle
  • Demonstrate long-range mobility on the surface of the red planet (5-20 kilometers or about 3 to 12 miles) for the collection of more diverse samples and studies.
Below are some images about the mission, mountain and rocks on mars, rover curiosity's own pictures, drilling pictures on the ground etc.

The Mars Rover Curiosity on the Earth:

Goldstone Antenna is ready on Earth to communicate with Rover Curiosity:

Preparing for take of at the Launch Pad:

Landing on Mars (artists impression):

Images of Rocks, Mountain, Soil etc on Mars:

Thanks a lot for viewing this post.
source: Mars Science Laboratory - NASA

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