NASA team led by an Indian-origin scientist discovered the reason behind overheating of the Sun's solar region.


New Delhi: How the mossy area on the Sun connects to its lower part has always been a mystery. atmospheric layers and undergoes a remarkable heating process from 10,000 degrees Fahrenheit to about one million degrees Fahrenheit, which is 100 times hotter than the adjacent luminous surface. Recent research led by scientist Souvik Bose has shed light on overheating The mechanism at work within the moss.
Data collected has been used in research NASAThe High Resolution Coronal Imager (Hi-C) sounding rocket and the Interface Region Imaging Spectrograph (IRIS) mission, combined with complex 3D simulations, were used to unveil the potential role of electrical currents in the heating process.
Within this region is a complex web of magnetic field lines, similar to invisible threads of spaghetti. This magnetic entanglement generates electrical currents, which contribute to heating materials across a wide temperature spectrum ranging from 10,000 to 1 million degrees Fahrenheit. This local heating in the moss appears to complement the heat radiated from the scorching, multi-million-degree corona above. These findings, detailed April 15 in the journal Nature Astronomy, provide important insights into understanding why the Sun's corona has higher surface temperatures.
Author Souvik Bose, research scientist at Lockheed Martin Solar, commented, “Thanks to high-resolution observations and our advanced numerical simulations, we have been able to explore part of this mystery that has puzzled us for the past quarter century.” Have done it.” Astrophysical Laboratory and Bay Area Environmental Institute, NASA's Ames Research Center in Silicon Valley, California. “However, it is only a piece of the puzzle; it does not solve the entire problem.”
Even more opportunities to unravel the entire mystery are on the horizon: Hi-C is scheduled for another launch this month to capture solar flares, potentially including another moss field with IRIS. Nevertheless, to obtain observations comprehensive enough to clarify how the corona and mosses heat up, scientists and engineers are actively developing new instruments for the future Multi-Slit Solar Explorer (MUSE) mission.
A small-scale, bright, serpentine structure made of plasma in the solar atmosphere is so similar to Earthly plants that scientists have dubbed it “moss.” This moss was first discovered by NASA's TRACE mission in 1999. It mainly forms around the center of sunspot clusters, where magnetic conditions are stronger.




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