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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No more street vending on B’luru’s main roads, as govt plans to bring new policy for street hawkers
Bengaluru: Deputy Chief Minister D.K. Shivakumar on Friday said that the state government has decided to formulate a new policy for footpaths in Bengaluru, under which street vending will not be allowed on main roads and sub-main roads.
Addressing the media after a budget preparation meeting and executive meeting of GBA corporations at Vidhana Soudha, Shivakumar said discussions were held with MLAs from the GBA region regarding the corporations’ budgets and key civic issues.
Leader of Opposition R. Ashok also participated in the meeting and shared his views. Officials from multiple departments, including police, BESCOM, BMRCL, BWSSB and BDA, along with ministers and legislators, were present.
He stated that all five municipalities have prepared their individual budgets, while MLAs have submitted their demands, including calls for ward-wise grants.
“We have decided to bring a new policy for footpaths. Citizens are struggling to walk as footpaths are encroached upon by street vendors,” Shivakumar said.
Highlighting the need to balance livelihoods and public convenience, he added that “a separate space will be provided for street vendors, and specific roads will be designated for their business,” ensuring that pedestrians can use footpaths without obstruction. He noted that there was unanimous agreement among MLAs on this approach.
Issuing a warning to vendors, Shivakumar said that authorities will act against those violating the rules. “If vendors operate during the day and leave their carts on the roadside at night, authorities will clear them. People should be aware of this,” he said.
Providing data on street vendors, he said that around 60,000 vendors have registered so far, of which 30,000 have applied for vehicles, and a tender has already been floated.
“Only those with street vendor identity cards will be allowed to do business. Those without ID cards will not be permitted to operate on the streets,” he added.
