SDO Viewer

NASA’s Solar Dynamics Observatory watches the sun continuously at multiple wavelengths — SDO Viewer brings those images directly to your iPhone and iPad, refreshed automatically with each new release.

Each instrument tells a different story: AIA captures the corona and chromosphere in ultraviolet, EVE measures solar irradiance, and HMI maps the magnetic field and surface motion. Double-tap any image to zoom in and explore the detail up close.

Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.