- Deep Penumbral Lunar Eclipse — May 5, 2023
Extreme Ultraviolet Imaging Telescope
October 28, 2018
On this day in 2003 (October 28), the Sun unleashed one of the largest and most geoeffective solar storms of the modern age (and consequently, one of the most studied).
April 1, 2011
SDO Pick of the Week for April 1, 2011 A side-by-side comparison of the Sun from precisely two years ago (left, from SOHO) to the present (right, from Solar Dynamics Observatory) dramatically illustrates just how active the Sun has […]
December 2, 2010
The Solar and Heliospheric Observatory or SOHO is by many accounts the granddaddy of modern solar astronomy. SOHO is not the first space based solar observatory but it has truly ushered in a golden age for solar physics. The mission […]