Space weather could wreak havoc in gagdet-driven world
AFP/NASA – A NASA image of an erupting solar flare. A powerful solar eruption that has already disturbed radio communications …
WASHINGTON (AFP) – The Earth just dodged a solar bullet. But it won't be the last. Experts say a geomagnetic storm, sparked by a massive solar eruption similar to the one that flared toward the Earth on Tuesday, is bound to strike again, and the next one could wreak more havoc than the world has ever seen.
Modern society is increasingly vulnerable to space weather because of our dependence on satellite systems for synchronizing computers, navigational systems, telecommunications networks and other electronic devices.
A potent solar storm could disrupt these technologies, scorch satellites, crash stock markets and cause months-long power outages, experts said Saturday at the American Association for the Advancement of Science's annual meeting.
The situation will only get more dire because the solar cycle is heading into a period of more intense activity in the coming 11 years.
"This is not a matter of if, it is simply a matter of when and how big," said National Oceanic and Atmospheric Administration administrator Jane Lubchenco.
"The last time we had a maximum in the solar cycle, about 10 years ago, the world was a very different place. Cell phones are now ubiquitous; they were certainly around (before) but we didn't rely on them for so many different things.
"Many things that we take for granted today are so much more prone to the process of space weather than was the case in the last solar maximum," she continued.
The experts admitted that currently, little that can be done to predict such a storm, much less shield the world's electrical grid by doing anything other than shutting off power to some of the vulnerable areas until the danger passes.
"Please don't panic," said Stephan Lechner, director of the European Commission Joint Research Center. "Overreaction will make the situation worse."
The root of the world's vulnerability in the modern age is due to global positioning systems, or GPS devices, that provide navigational help but also serve as time synchronizers for computer networks and electronic equipment.
"GPS helped and created a new dependency," said Lechner, noting that the technology's influence extends to aerospace and defense, digital broadcast, financial services and government agencies.
In Europe alone, there are 200 separate telecommunication operators and "nothing is standardized," he said.
"We are far from understanding all the implications here."
World governments are rushing to develop strategies for cooperation and information sharing ahead of the next anticipated storm, though forecasters admit they are not sure when that may occur.
"Actually, we cannot tell if there is going to be a big storm six months from now, but we can tell when conditions are ripe for a storm to take place," said the European Space Agency's Juha-Pekka Luntama.
On Tuesday at 0156 GMT, the strongest solar eruption since 2006 sent a torrent of charged plasma particles hurtling toward the Earth at a speed of 560 miles (900 kilometers) per second.
The force of the Class X flash, the most powerful of all solar events, lit up auroras and disrupted some radio communications, but the effects were largely confined to northern latitudes.
"Actually it turned out that we were well protected this time. The magnetic fields were aligned parallel so not much happened," said Luntama.
"In another case, things might have been different."