Expedition 45 Commander Scott Kelly took this photograph during a spacewalk on Oct. 28, 2015. Sharing the image on social media, Kelly wrote, "#SpaceWalkSelfie Back on the grid! Great first spacewalk yesterday. Now on to the next one next week. #YearInSpace"
Damaging heavy rains fell on South Carolina in the southeastern United States at the beginning of October 2015. Much of that water had, by mid-October, flowed into the Atlantic Ocean bringing with it heavy loads of sediment, nutrients, and dissolved organic material. The above VIIRS image shows the runoff as it interacts with ocean currents.
Expedition 45 Commander Scott Kelly tries on his spacesuit for a fit check inside the U.S. Quest airlock of the International Space Station. Kelly and Flight Engineer Kjell Lindgren will venture outside the station for a pair of spacewalks on Wednesday, Oct. 28 and Friday, Nov. 6.
Enceladus is a world divided. To the north, the terrain is covered in impact craters, much like other icy moons.