Tuesday August 14, 2018

NASA’s 2020 Mars rover to have 23 ‘eyes’

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NASA's 2020 Mars rover to have 23 'eyes'. Pixabay
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Washington, Nov 1,2017: NASA said its Mars 2020 mission will have more “eyes” than any rover before it – a grand total of 23, to create sweeping panoramas, reveal obstacles, study the atmosphere and assist science instruments.

They will provide dramatic views during the rover’s descent to Mars and be the first to capture images of a parachute as it opens on another planet.

 There will even be a camera inside the rover’s body, which will study samples as they are stored and left on the surface for collection by a future mission, NASA said on Tuesday.

When NASA’s Mars Pathfinder touched down in 1997, it had five cameras. The subsequent Spirit and Opportunity rovers were designed with 10 cameras each, including on their landers. The Curiosity rover has 17 cameras.

“Camera technology keeps improving,” said Justin Maki of NASA’s Jet Propulsion Laboratory in Pasadena, California.

“Each successive mission is able to utilise these improvements, with better performance and lower cost,” Maki said.

The cameras on 2020 will include more colour and 3-D imaging than on Curiosity, said Jim Bell of Arizona State University.

“Routinely using 3-D images at high resolution could pay off in a big way,” Bell said. “They’re useful for both long-range and near-field science targets.”(IANS)

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NASA: No contact Made With Storm-Hit Mars Rover, Till Now

Because Opportunity runs on solar energy, scientists had to suspend science activities to preserve the rover's batteries.

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Several other designs on the spacecraft keep Parker Solar Probe sheltered from the heat.Flickr

 NASA is yet to make contact with its Mars Opportunity Rover ever since a massive storm started on the Red Planet in June.

Based on the longevity of a 2001 global storm, NASA scientists estimate it may be September before the haze has cleared enough for Opportunity to power up and call home, the US space agency said this week.

Scientists first observed a smaller-scale dust storm on May 30. By June 20, it had gone global.

For the Opportunity rover, that meant a sudden drop in visibility from a clear, sunny day to that of an overcast one.

Because Opportunity runs on solar energy, scientists had to suspend science activities to preserve the rover’s batteries.

NASA said no response has been received from the rover as of July 18.

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The nearly 15-year-old rover is not out of the woods yet as it could take weeks, or even months, for the dust to start settling. Pixabay

Luckily, all that dust acts as an atmospheric insulator, keeping nighttime temperatures from dropping down to lower than what Opportunity can handle.

But the nearly 15-year-old rover is not out of the woods yet as it could take weeks, or even months, for the dust to start settling.

When the skies begin to clear, Opportunity’s solar panels may be covered by a fine film of dust. That could delay a recovery of the rover as it gathers energy to recharge its batteries. A gust of wind would help, but is not a requirement for a full recovery, NASA said.

While the Opportunity team waits in earnest to hear from the rover, scientists on other Mars missions have gotten a rare chance to study this storm.

Also Read-Survival Of Mars Rover Is Under Threat Due To A sandstorm

The Mars Reconnaissance Orbiter (MRO), Mars Odyssey, and Mars Atmosphere and Volatile EvolutioN (MAVEN) orbiters are all tailoring their observations of the Red Planet to study this global storm and learn more about Mars’ weather patterns.

Meanwhile, the Curiosity rover is studying the dust storm from the Martian surface, the US space agency added. (IANS)

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