For the first time in history, the world has a full view of the far side of the Sun and of the entire 360-degree sphere at once.
Image of the Day Heat
The STEREO A spacecraft looked back from the far side of the Sun to capture an image of Earth and Mercury.
Image of the Day Remote Sensing
NASA’s STEREO-B spacecraft observed Comet PanSTARRS and Earth from the far side of the Sun in March 2013.
Image of the Day Heat Remote Sensing
NASA’s twin STEREO spacecraft spy a solar prominence from two angles.
Image of the Day Atmosphere Heat
Unique Imagery
This ultraviolet image, captured by NASA’s Solar Terrestrial Relations Observatory (STEREO) Ahead spacecraft on February 12, 2010, shows solar storms brewing in two active areas of the Sun.
Image of the Day Heat Unique Imagery
Fiery arcs rise above an active region on the surface of the Sun in this pair of images of a coronal mass ejection on January 27, 2010.
For the first time in history, and the last time for a century, astronauts captured images of the planetary transit as viewed from orbit.