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NASA's Mars rover begins research in space

Wednesday December 14, 2011 02:35:35 PM, IANS

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US rover to scout for Mars' habitability

A nuclear-powered US rover was launched to help assess Mars' habitability. The car-sized rover, atop an Atlas V rocket, blasted off at 10.02 a.m. Saturday from Cape Canaveral Air Force Station in Florida, Xinhua reported.  

Washington: NASA's car-sized Curiosity rover has begun monitoring space radiation during its eight-month trip from the Earth to Mars, the US space agency announced Tuesday.

The research will aid in planning for future human missions to the Red Planet, said Xinhua.

Launched Nov 26, Curiosity carries an instrument called the Radiation Assessment Detector (RAD) that monitors high-energy atomic and subatomic particles from the sun, distant supernovas and other sources. These particles constitute radiation that could be harmful to any microbes or astronauts in space or on Mars.

The rover will also monitor radiation on the surface of Mars after its August 2012 landing.

"RAD is serving as a proxy for an astronaut inside a spacecraft on the way to Mars," said Don Hassler, RAD's principal investigator from the Southwest Research Institute in Boulder, Colorado.

"The instrument is deep inside the spacecraft, the way an astronaut would be. Understanding the effects of the the radiation field on spacecraft will be valuable in designing craft for astronauts to travel to Mars."

Previous monitoring of energetic-particle radiation in space has used instruments at or near the surface of various spacecraft. The RAD instrument is on the rover inside the spacecraft and shielded by other components, including the aeroshell that will protect the rover during descent through the upper atmosphere of Mars.

Spacecraft structures, while providing shielding, also can contribute to secondary particles generated when high-energy particles strike the spacecraft. In some circumstances, secondary particles could be more hazardous than primary ones.

These first measurements mark the start of the science return from a mission that will use 10 instruments on Curiosity to assess whether Mars' Gale Crater could be or has been favourable for microbial life.

"While Curiosity will not look for signs of life on Mars, what it might find could be a game-changer about the origin and evolution of life on Earth and elsewhere in the universe," said Doug McCuistion, director of the Mars Exploration Program at NASA Headquarters in Washington.

"One thing is certain: the rover's discoveries will provide critical data that will impact human and robotic planning and research for decades."




 

 

 

 

 

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Picture of the Day

The main pavilion at Kingsway Camp in 1911 erected for the former British royalty for the coronation durbar. Three days after the coronation durbar, the foundation of the new city was laid Dec 15, 1911. The city was named New Delhi in 1927 and was formally inaugurated Feb 13, 1931.

 

 
 
 
 
 

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