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NASA: 'Optimistic' About Mars Opportunity rover that can Survive Massive Dust Storm

NASA: Optimistic About Mars Opportunity rover that can Survive Massive Dust Storm

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  21 Aug 2018 10:29 AM GMT

Washington: There’s reason to be optimistic about Mars Opportunity rover that has been silent since June 10, after getting caught in a massive dust storm on the Red Planet that cut off solar power for the nearly 15-year-old rover, NASA said in a statement. According to the scientists, the global dust storm is “decaying” — meaning more dust is falling out of the atmosphere that is being raised back into it. As a result, skies might soon clear enough for the solar-powered rover to recharge and attempt to “phone home.” Studies on the state of batteries and temperatures at the location showed that they were relatively in good health before the storm, and there is not likely to be too much degradation.

Moreover, because dust storms tend to warm the environment — and the storm happened in summer — the rover should have stayed warm enough to survive, the US space agency noted. According to the engineers, Opportunity will need a tau — the veil of dust blowing around — of less than 2.0 before the solar-powered rover will be able to recharge its batteries. The higher the tau, the less sunlight is available; the last tau measured by the Mars Opportunity rover was 10.8 on June 10. To compare, an average tau for its location on Mars is usually 0.5. Several times a week, the engineers are using NASA’s Deep Space Network, which communicates between planetary probes and Earth, to attempt to talk with Opportunity. In addition, JPL’s radio science group uses special equipment on DSN antennas that can detect a wider range of frequencies. Each day, they record any radio signal from Mars over most of the rover’s daylight hours, then search the recordings for Opportunity’s “voice.” (IANS)

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