Intense Solar Flare Goes Off the Charts
From Times wire services
Forecasters said a solar flare was the most intense they have seen in the current 11-year solar cycle.
Space weather forecasters in Boulder estimated its intensity at X-22 on a scale that goes only to 20 after sensors on a National Oceanic and Atmospheric Administration satellite could no longer measure it. Forecasters said the estimate could be off by plus or minus 2.
The flare caused static on a radio frequency used to navigate boats and planes, causing flight delays.
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