Helioseismic and Magnetic Imager

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Observe a dopplergram showing the velocity of solar material in the photosphere captured by the Helioseismic and Magnetic Imager

Study the sequence of images depicting the magnetic field structure on the surface of the Sun as captured by the Helioseismic and Magnetic Imager

Study the zoomed-in view of a large sunspot group taken by the Helioseismic and Magnetic Imager, March 29, 2010

Study the magnetic fields in a sunspot pair as observed by the Helioseismic Magnetic Imager, March 29, 2010

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Helioseismic and Magnetic Imager

scientific research instrument

Also known as: HMI

Learn about this topic in these articles:

Solar Dynamics Observatory

In Solar Dynamics Observatory
Helioseismic and Magnetic Imager (HMI), the Atmospheric Imaging Assembly (AIA), and the Extreme Ultraviolet Variability Experiment (EVE). HMI studies changes in the Sun’s magnetic field by capturing images of the Sun in polarized light every 50 seconds. AIA observes the solar corona in eight wavelengths…
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