vortices

  • 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…