At 1:46 p.m. ET (17:46 UT) on Wednesday, the sun reminded the solar system that it hasn't finished with solar maximum quite yet -- it unleashed a powerful solar flare and aimed it right at Earth. Continue reading →
NASA's Interface Region Imaging Spectrograph watched a magnetic eruption in the solar corona, giving us the most intimate view of the creation of a CME yet. Continue reading →
For the first time, a massive solar flare revealed the process that created it, confirming new theories about flares and the explosive ejections of solar material often linked with them.
As the recent X4.9-class flare ripped across the surface of the sun, a fleet of solar observatories were ready to measure its impact.
Although Comet ISON appears to be holding its own against the increasing solar heat, the large mass of ice isn't getting away unscathed -- one or more large icy chunks appear to have broken away from the comet's nucleus. Continue reading →
After a recent period of unrest, the sun has re-established what it means to be a star experiencing solar maximum -- it fired off not one, but two of the most powerful class of solar flares in quick succession. Continue reading →
Noticed a lack of sun-centric headlines? Been wondering when the last solar flare was? You're not alone! Continue reading →
Every 11 years or so, the sun does something quite profound -- its magnetic field completely swaps polarity. That time has come. Continue reading →
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