It was another calm day on the sun, only interrupted by Earth! Because of the particular orbit of the Solar Dynamics Observatory (SDO) around Earth, sometimes Earth blocks the sun from the spacecraft’s point of view. Solar scientists speak of SDO’s eclipse seasons for the several-week period – twice each year – when these events regularly occur. Those seasons used to come in spring and fall. But they’ve shifted; now they’re coming winter and summer. The next SDO eclipse season starts tomorrow (J