This composite image, captured by NASA’s Solar Dynamics Observatory in multiple wavelengths almost simultaneously, reveals different temperatures and layers of the sun.
A pair of Saturn's moons appear insignificant compared to the immensity of the planet in this Cassini view along the terminator where day transitions to night.
This image reveals the jets and radio-emitting lobes emanating from the Centaurus A galaxy's central black hole.
The rugged landscape of the Canary Islands stood out in sharp contrast to the smooth blue waters of the Atlantic Ocean and the flat tan land of northwestern Africa.
