On board the International Space Station NASA astronaut Scott Kelly captured this blue water image. Original from NASA .…Free Image from public domain license
Hubble goes to the extreme to assemble farthest-ever view of the universe. Released on September 25th, 2012. Original from…Free Image from public domain license
Located in the southeast corner of California, the Imperial Sand Dunes are the largest mass of sand dunes in the state.…Free Image from public domain license