NASA locates Helium structures in solar atmosphere, gathers full global map

NASA scientists have been studying solar atmosphere with help of a sounding rocket since 2009 and have w released a full global map of sun's extended region. 

solar abundance of Helium – second most abundant element in our universe after Hydrogen – has been hard to measure. According to NASA, kwing amount of helium in solar atmosphere can help with understanding origin and acceleration of constant stream of charged particles from sun in form of solar wind.

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As per study, earlier observation of helium to hydrogen ratio in solar wind as it reaches earth showed lower numbers than expected. Scientists suspected 'missing helium' might be trapped in solar corona – sun’s outermost atmospheric layer.

NASA’s Helium Resonance Scattering in Corona and Heliosphere (HERSCHEL) sounding rocket took ims of solar corona to measure amount of atmospheric helium and hydrogen present in region.

ims showed that solar corona didn't have an even distribution of helium – while equatorial region h almost ne, mid-latitudes h abundant. ims, when compared with ESA/NASA’s Solar and Heliospheric Observatory (SOHO) data, showed that Helium abundance at mid-latitudes overlapped with solar magnetic field lines opening towards.

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Magnetic Field Overlap

astonishing finding established that ratio of helium to hydrogen is strongly connected with magnetic field and speed of solar wind in corona. study is a remarkable step forward in our understanding of solar atmosphere which is more dynamic than understood thus far.

HERSCHEL sounding rocket remotely studies elemental composition of solar atmosphere and its observations can be analysed in tandem with Parker Solar Probe's data on inner solar system.

sounding rocket's observations d to existing body of work seeking to understand origin and acceleration of solar wind. As per NASA, researcher plan to te more observations to study difference Helium abundances with two new instruments onboard ESA/NASA’s Solar Orbiter which can provide more data on solar corona. 

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