Space Station over Lunar Terminator . ... Credit Copyright: Dani Caxete Explanation: What's that in front of the Moon? It's the International Space Station. ... The sun-glinting station can be seen just to the dark side of the day / night line known as the terminator . Numerous circular craters are visible on the distant Moon, as well as comparatively rough, light colored terrain known as highlands, and relatively smooth, dark colored areas known as maria . ... NASA Official: Jay Norris. ...