Pluto and Charon viewed by the New Horizons space probe on July 11, 2015. People often refer them as a "Double Planet"

X-ray, Optical & Infrared Composite of Kepler's Supernova Remnant

A rupture in the crust of a highly magnetized neutron star, shown here in an artist’s rendering, can trigger high-energy eruptions. Fermi observations of these blasts include information on how the star’s...

Possible Neptune-Sized 9th planet located in the farthest reaches of our Solar System (CC BY SA 4.0)

Mars is kept company by two cratered moons -- an inner moon named Phobos and an outer moon named Deimos.

A 'Blue Marble' image of Earth. (Image credit: NASA Earth Observatory/Robert Simmon/Suomi NPP VIIRS imagery/NOAA's Environmental Visualization Laboratory)

"Space - Crab Nebula" by Trodel is licensed with CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/