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NASA launches robotic explorer to Mars

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By The Associated Press
Monday, Nov. 18, 2013, 6:45 p.m.
 

CAPE CANAVERAL, Fla. — NASA's newest robotic explorer, Maven, rocketed toward Mars on Monday on a quest to unravel the ancient mystery of the red planet's radical climate change.

The Maven spacecraft is expected at Mars next fall to conclude a journey of more than 440 million miles.

“Hey, guys, we're going to Mars!” Maven's principal scientist, Bruce Jakosky of the University of Colorado at Boulder, told reporters after liftoff.

Jakosky and others want to know why Mars went from being warm and wet during its first billion years to cold and dry today. The early Martian atmosphere was thick enough to hold water and possibly support microbial life. But much of that atmosphere may have been lost to space, eroded by the sun.

Maven set off through a cloudy afternoon sky in its bid to provide answers. An unmanned Atlas V rocket put the spacecraft on the proper course for Mars, and launch controllers applauded and shook hands over the success.

“What a Monday at the office,” NASA project manager David Mitchell said. “Maybe I'm not showing it, but I'm euphoric.”

Ten years in the making, Maven had Nov. 18, 2013, as its original launch date, “and we hit it,” he said.

“I just want to say, ‘Safe travels, Maven. We're with you all the way.' ” Jakosky, Maven's mastermind, said he was anxious and even shaking as the final seconds of the countdown ticked away. An estimated 10,000 NASA guests gathered for the liftoff, including a couple of thousand representing the University of Colorado.

Surviving liftoff was the first big hurdle, Jakosky said. The next huge milestone will be Maven's insertion into orbit around Mars on Sept. 22, 2014.

To help solve Mars' environmental puzzle, Maven will spend an Earth year measuring gases.

This is NASA's 21st mission to Mars since the 1960s. But it's the first one devoted to studying the Martian upper atmosphere.

The mission costs $671 million.

Maven — short for Mars Atmosphere and Volatile Evolution, with a capital “N” in EvolutioN — bears eight science instruments. The spacecraft, at 5,410 pounds, weighs as much as an SUV. From solar wingtip to wingtip, it stretches 37.5 feet, about the length of a school bus.

Unlike the 2011-launched Curiosity rover, Maven will conduct its experiments from orbit around Mars.

Maven will dip as low as 78 miles above the Martian surface, sampling the atmosphere. The lopsided orbit will stretch as high as 3,864 miles.

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