A team of international scientists discovered a paradoxical answer to the Sun's coronal heating problem.
An international team of scientists came up with the new, paradoxical answer to the Sun's coronal heating problem using data obtained by the 1.6-meter Goode Solar Telescope at Big Bear Solar Observatory .published in the journal Nature Astronomy, pinpointed intense wave energy coming from the cool region of the Sun known as the sunspot umbra.
. "With this study we have fresh answers to this problem, which may be key to untangling many confusing questions in energy transportation and dissipation in the solar atmosphere, as well as the nature of space weather."The team specifically measured activity linked to dark features in an active sunspot that was recorded on July 14, 2015, by GST. In their measurements, they detected oscillatory transverse motions of plasma fibrils within the sunspot umbra.
"These dark dynamic fibrils had been observed in the sunspot umbra for a long time, but for the first time, our team was able to detect their lateral oscillations that are manifestations of fast waves," Cao added. "These persistent and ubiquitous transverse waves in strongly magnetized fibrils bring energy upwards through vertically elongated magnetic conduits and contribute to the heating of the upper atmosphere of the Sun.
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