A Dark Earth with a Red Sprite . ... Credit Copyright: ISS Expedition 31 Crew , NASA Explanation: There is something very unusual in this picture of the Earth -- can you find it? ... The rarely imaged phenomenon is known as a red sprite and it can be seen , albeit faintly, just over the bright area on the image right. This bright area and the red sprite are different types of lightning, with the white flash the more typical type. ... More images of: Sprites . ... NASA Official: Jay Norris. ...