solar flare
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Streamers and Loops: What the Sun’s Hyperactive Phase Means for the Upcoming Solar Eclipse
Things have been heating up for the Sun, as the star approaches peak activity during its 11-year cycle, with giant eruptions bursting regularly from its surface. Luckily for us, this coincides with the Moon passing between the Earth and its host star, offering a captivating view of the solar corona during the upcoming solar eclipse.…
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Researchers Spot ‘Aurora’ Above Sunspot
Radio emissions detected about 40,000 kilometres above a dark region on the Sun have aurora-like qualities, according to a team of astronomers that studied the emissions. The emissions were seen above a sunspot— a dark region on the Sun’s surface. Magnetic fields around sunspots are about 2,500 times stronger than Earth’s, according to the National…
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Large Eruption From Nearby Star Is a Warning for Earth
A star over 100 light-years away in the constellation Draco is teaching us a few unsettling things about our own Sun. The star, EK Draconis, recently surprised researchers when it launched into an explosive light show more energetic than anything observed from our local star. If our Sun erupted in the same way, it would…
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Sun-Orbiting Spacecraft Takes Fascinating Images of a Coronal Mass Ejection
Coronal mass ejections are regular space weather events involving huge, fast-moving expulsions of plasma from the Sun’s surface. They’re routinely observed by a bevy of telescopes, and recently, Solar Orbiter has imaged its first stellar burps.