The Earth's limb and the atmospheric glow highlight the thin blue atmosphere back lit by the Sun's rays during a period between night and day.
The forward-end of the International Space Station is pictured highlighting portions of three modules and a pressurized mating adapter.
The International Space Station is set to receive a few more crewmembers on Saturday followed by a new docking port next Tuesday.
The only visual record of the historic Apollo 11 landing is from a 16mm time-lapse (6 frames per second) movie camera mounted in Buzz Aldrin's window (right side of Lunar Module Eagle or LM).
Astrophysicists know that iron (chemical symbol: Fe) is one of the most abundant elements in the universe, after lightweight elements such as hydrogen, carbon and oxygen.