DescriptionPHI's velocity map of the Sun s surface.jpg
English: This velocity map, also called a ‘tachogram', shows the line-of-sight speed and direction of movement of material at the Sun's visible surface. Blue regions are moving towards the spacecraft and red regions are moving away. It was measured by the Polarimetric and Helioseismic Imager (PHI) onboard the Solar Orbiter spacecraft on 22 March 2023.
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The velocity map of the Sun that shows the line-of-sight speed and direction of movement of material at the Sun's visible surface, measured by the Polarimetric and Helioseismic Imager (PHI) onboard the Solar Orbiter spacecraft on 22 March 2023.
Uploaded a work by CREDIT ESA & NASA/Solar Orbiter/PHI Team ACKNOWLEDGEMENTS Image processing by PHI Team members at MPS from https://www.esa.int/ESA_Multimedia/Images/2024/11/PHI_s_velocity_map_of_the_Sun_s_surface with UploadWizard