The location of a newly discovered moon, designated N orbiting Neptune, is seen in this composite Hubble Space Telescope handout image taken in August REUTERS/NASA/ESA/M. Showalter/SETI Institute/Handout via Reuters
In space: This diagram released by NASA shows the orbits of several moons located close to the planet Neptune. Neptune's largest moon, Triton, was discovered in just days after the planet itself was found
Since Neptune takes so long to go around the sun once, seasons on the planet last for many Earth years. This Hubble Telescope picture shows the Southern Hemisphere of Neptune in spring, which began in the
Subtle color differences on Saturn's moon Mimas are apparent in this false-color view of Herschel Crater captured by NASA's Cassini spacecraft during its closest-ever flyby of that moon on Feb. The crater is 80 miles kilometers) wide.
Cassiopeia A - The colourful aftermath of a violent stellar death Credit: NASA, ESA, and the Hubble Heritage STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: Robert A. Fesen (Dartmouth College, USA) and James Long (ESA/Hubble)