Life-Hunting rover head to Red Planet

Nasa’s advanced helicopter-toting rover soared from Cape Canaveral in Florida on Thursday atop an Atlas 5 rocket on a $2.4-billion mission.
Nasa’s Perseverance rover, which took off from Cape Canaveral in Florida, US, on Thursday, is scheduled to reach Mars on February 18, 2021.(Reuters)
Nasa’s Perseverance rover, which took off from Cape Canaveral in Florida, US, on Thursday, is scheduled to reach Mars on February 18, 2021.(Reuters)
Updated on Jul 31, 2020 04:47 PM IST
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Cape Canaveral, Florida | ByAssociated Press

The biggest, most sophisticated Mars rover ever built -- a car-size vehicle bristling with cameras, microphones, drills and lasers -- blasted off on Thursday as part of an ambitious, long-range project to bring the first Martian rock samples back to Earth to be analysed for evidence of ancient life.

Nasa’s Perseverance rode a mighty Atlas V rocket into a clear morning sky in the world’s third and final Mars launch of the summer.

China and the United Arab Emirates got a head start last week, but all three missions should reach the Red Planet in February after a journey of seven months and 480 million km.

The plutonium-powered, six-wheeled rover will drill down and collect tiny geological specimens that will be brought home in about 2031 in a sort of interplanetary relay race involving multiple spacecraft and countries. The overall cost: more than $8 billion.

In addition to addressing the life-on-Mars question, the mission will yield lessons that could pave the way for the arrival of astronauts as early as the 2030s.

“There’s a reason we call the robot Perseverance. Because going to Mars is hard,” Nasa administrator Jim Bridenstine said just before liftoff. “It is always hard. It’s never been easy. In this case, it’s harder than ever before because we’re doing it in the midst of a pandemic.”

The US, the only country to safely put a spacecraft on Mars, is seeking its ninth successful landing on the planet, which has proved to be the Bermuda Triangle of space exploration, with more than half of the world’s missions there burning up, crashing or otherwise ending in failure.

China is sending both a rover an orbiter. The UAE, a newcomer to outer space, has an orbiter en route. It’s the biggest stampede to Mars in spacefaring history.

The opportunity to fly between Earth and Mars comes around only once every 26 months when the planets are on the same side of the sun and about as close as they can get.

If all goes well, the rover will descend to the Martian surface on February 18, 2021, in what Nasa calls seven minutes of terror, in which the craft goes from 19,300 kph to a complete stop, with no human intervention whatsoever.

Perseverance will aim for treacherous unexplored territory: Jezero Crater, a dusty expanse riddled with boulders, cliffs, dunes and possibly rocks bearing signs of microbes from what was once a lake more than 3 billion years ago. The rover will store 15-gram rock samples in dozens of super-sterilised titanium tubes.

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