solar flare

  • Researchers Spot ‘Aurora’ Above Sunspot

    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…


  • Large Eruption From Nearby Star Is a Warning for Earth

    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…