关于这张图
ISS028-E-017197 (16 July 2011) --- One of the members of the joint crews for STS-135 and International Space Station Expedition 28 exposed this image of Atlantis and its Orbital Boom Sensor System robot arm extension backdropped against Earth's horizon and a greenish phenomenon associated with Aurora Australis. One of the station's solar array panels appears at upper left. Because of exposure time needed for this type photography, some of the stars in the background are blurred.
