Solar and Heliospheric Observatory (SOHO)
Constantly monitoring the Sun 24/7 for over 16 years while in orbit, SOHO has allowed us to learn an incredible amount of information about our own Sun and other stars. In addition, this mission has discovered over 2,300 comets during its years in space.
Solar Dynamics Observatory (SDO)
Observe our nearest star up close and in unprecedented detail with NASA’s orbiting Solar Dynamics Observatory. Learn about the Sun while viewing extraordinary images and movies of its beauty and power.