A new Sun as Art exhibit offers artistic interpretations of the Sun (with captions) based on solar images from NASA's Solar Dynamics Observatory (SDO).
The Radiation Belt Storm Probes (RBSP) launch on September 6, 2012. RBSP will study two extreme and dynamic regions of space known as the Van Allen Radiation Belts that surround Earth. Want to learn more?
Some sunspots are cool enough that water vapor can form at a temperature of 1,550 °C.