NASA's Curiosity rover captures images of Martian dust storm
Washington, June 21 : With NASA engineers yet to make contact with the Opportunity Mars rover due to a massive storm on the Red Planet, scientists are pinning their hopes on learning more about Martian dust storms from images captured by the Curiosity probe.
As of Tuesday morning, the Martian dust storm had grown in size and was officially a "planet-encircling" (or "global") dust event, NASA said in a statement on Wednesday.
Though Curiosity is on the other side of Mars from Opportunity, dust has steadily increased over it, more than doubling over the weekend, NASA said.
The US space agency said the Curiosity Rover this month used its Mast Camera, or Mastcam, to snap photos of the intensifying haziness of the surface of Mars caused by the massive dust storm.
For NASA's human scientists watching from the ground, Curiosity offers an unprecedented window to answer some questions. One of the biggest: Why do some Martian dust storms last for months and grow massive, while others stay small and last only a week?
"We don't have any good idea," said Scott Guzewich, an atmospheric scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
Curiosity, he pointed out, plus a fleet of spacecraft in the orbit of Mars, will allow scientists for the first time to collect a wealth of dust information both from the surface and from space.
The last storm of global magnitude that enveloped Mars was in 2007, five years before Curiosity landed there.
The current storm has starkly increased dust at Gale Crater, where the Curiosity rover is studying the storm's effects from the surface.
But it poses little risk to the Curiosity rover, said Curiosity's engineers at NASA's Jet Propulsion Laboratory in Pasadena, California.
However, there was still no signal from the Opportunity rover, although a recent analysis of the rover's long-term survivability in Mars' extreme cold suggests Opportunity's electronics and batteries can stay warm enough to function.
Regardless, the project does not expect to hear from Opportunity until the skies begin to clear over the rover.
The dust storm is comparable in scale to a similar storm observed by Viking I in 1977, but not as big as the 2007 storm that Opportunity previously weathered.
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RSS man's defamation case against Rahul: Key witness unavailable, hearing adjourned to Dec 20
Thane (PTI): A court in Bhiwandi in Thane district on Saturday adjourned the hearing in the criminal defamation case filed against Congress leader Rahul Gandhi by a Rashtriya Swayamsevak Sangh (RSS) worker to December 20 due to non-availability of a crucial prosecution witness.
Advocate Narayan Iyer, counsel for Rahul Gandhi, confirmed the adjournment, stating that the witness, Ashok Saykar, currently Deputy Superintendent of Police in Barshi in Solapur, could not remain present due to personal reasons.
Saykar's evidence is now likely to be recorded on December 29.
His testimony is considered key because he, as police sub inspector in 2014, conducted the preliminary inquiry into the private defamation matter under Section 202 of the Code of Criminal Procedure (CrPC).
It was on the basis of Saykar's submitted report that the court subsequently issued process (summons) against Rahul Gandhi under Section 500 of the Indian Penal Code (IPC).
The criminal defamation case was filed by local RSS worker Rajesh Kunte following a speech given by Rahul Gandhi at an election rally near Bhiwandi on March 6, 2014.
The case stems from the Congress leader's alleged statement that "the RSS people killed (Mahatma) Gandhi."
The matter is being heard by Bhiwandi Joint Civil Judge, Junior Division, P M Kolse.
The hearing had previously been adjourned on November 15 after the complainant's counsel, Advocate Prabodh Jaywant, moved an application seeking permission to examine Saykar, who had submitted the probe report to the court.
The matter was originally scheduled for November 29 but was deferred to December 6 after Rahul Gandhi's legal team sought an adjournment citing their non-availability. The proceedings will now resume on December 20.
