![To Measure the Sun](https://www.nasa.gov/wp-content/uploads/2023/03/221463main_DSC_0033.jpg)
To Measure the Sun
Marshall Space Flight Center scientist Ed West assembles the optical system of the Solar Ultraviolet Magnetograph Investigation (SUMI) telescope. SUMI was built by a team of Marshall solar physicists and engineers to measure magnetic fields in the transition region which lies between the sun's surface, or photosphere, and the corona.
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https://www.nasa.gov/image-detail/measure-sun/
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