The solar corona, previously visible only during total solar eclipses, is critical to understanding solar storms and space weather. The Inouye Telescope on Haleakala has created the most detailed maps of the coronal magnetic field to date.
This technological marvel, which uses coronagraphy to create artificial eclipses, detects faint polarized signals that are billions of times weaker than signals from the solar disk. The key instrument, Cryo-NIRSP, developed by the University of Hawaii Institute for Astronomy, plays a key role in this achievement.
Detailed maps of the coronal magnetic field will improve predictions of solar storms and space weather, protect our technological systems, and advance our understanding of the Sun’s influence on other planetary systems.
Source: Ferra
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