The brightly lit capital city of Bucharest, Romania with a population of almost 1.9 million, is pictured from the International Space Station as it orbited 263 miles above the eastern European nation.
ESA astronaut Luca Parmitano, attached to the Canadarm2 robotic arm, carries the new thermal pump system that was installed on the Alpha Magnetic Spectrometer (AMS).
The Sun's glint beaming off Brazil's largest lagoon, Lagos dos Patos, on the nation's southernmost tip is pictured from an altitude of 260 miles as the International Space Station orbited across the South American continent's Atlantic coast.
ESA astronaut Luca Parmitano is pictured attached to the Canadarm2 robotic arm during the first spacewalk to repair the Alpha Magnetic Spectrometer, the International Space Station's cosmic particle detector.
Baja California, with the Sun's glint beaming off the Gulf of California, is pictured as the International Space Station orbited 256 miles above the Pacific Ocean southwest of Tijuana, Mexico.
Baja California, with the Sun's glint beaming off the Gulf of California, is pictured as the International Space Station orbited 256 miles above the Pacific Ocean southwest of Tijuana, Mexico.
The French Polynesian island of Bora Bora, surrounded by the Bora Main Motu Reef, is pictured as the International Space Station orbited 257 miles above the South Pacific Ocean.
The Sun's glint beams off Lake Michigan in this southward view taken from the International Space Station orbiting 253 miles above Canada just north of Lake Superior.
Issyk-Kul Lake in the central Asian nation of Kyrgyzstan is surrounded by the snow-capped Tian Shen mountains.
Christina H Koch @Astro_Christina "Moonrise, at Sunrise, from the @Space_Station".