NGC 7714 ~ This unusual structure is a river of Sun-like stars that has been pulled deep into space by the gravitational tug of a passing galaxy (not pictured) during a near-collision approximately 100 million years ago.
This colorful view of Mercury was produced by using images from Messenger's color base map imaging campaign which enhance the chemical, mineralogical, and physical differences between the rocks that make up the planet's gray pock-marked moon-like surface
If Our Universe Is So Old and Vast, Then Where Are All the Aliens?
The age of the universe and its vast number of stars suggests that extraterrestrial life should be common. If that’s the case, then where is everyone? In this infographic we explore some possibilities.
Easy Science for Kids Mercury - The Smallest Planet of Solar System - learn fun facts about animals, the human body, our planet and much more. Fun free Mercury - The Smallest Planet of Solar System activities!