Astronaut Edwin E. Aldrin Jr. walks near the Lunar Module during the Apollo 11 extravehicular activity July 20, 1969 on the Moon. (Photo by NASA/Newsmakers)

The Proton rocket, that will launch the ExoMars 2016 spacecraft to Mars, is transfered to the launchpad at the Baikonur cosmodrome, Kazakhstan, in this handout photo released by European Space Agency (ESA) on March 11, 2016. (Photo by Stephane Corvaja/Reuters/ESA)

Situated in the Pacific Ocean some 620 miles (1,000 km) from the South American continent, these 19 islands and the surrounding marine reserve have been called a unique “living museum and showcase of evolution”. Photo: “Close-up. We had a juvenile Red-Footed Booby come visit us on the sun deck. I got some closeups with my ultrawide 11-16mm Tokina”. (Photo by Carl Fredrickson)

Male is the capital and most populous city in the Republic of Maldives. The city is geographically located at the southern edge of North Malé Atoll (Kaafu Atoll). Administratively, it is a city-class constituency and is governed by the Malé City Council. Traditionally it was the King's Island, from where the ancient Maldive Royal dynasties ruled and where the palace was located. The city was then called “Mahal”. Formerly it was a walled city surrounded by fortifications and gates (doroshi).

A Polish Air Force MIG-29 fighter (R) and an Italian Air Force Eurofighter Typhoon fighter patrol over the Baltics during a NATO air policing mission from Zokniai air base near Siauliai, Lithuania February 10, 2015. (Photo by Ints Kalnins/Reuters)

Space Shuttle Discovery is towed from the shuttle landing facility to the orbiter processing facility at Kennedy Space Center on April 20, 2010 in Cape Canaveral, Florida. Discovery's landing attempts at KSC were scrubbed yesterday due to unacceptable weather conditions. Discovery is returning from a successful mission to the International Space Station. (Photo by Matt Stroshane/Getty Images). CAPE CANAVERAL, FL – APRIL 20 2010

The newly-discovered gaseous planet Kepler-16b orbits it's two stars. NASA's Kepler Mission discoverd the world orbiting two Stars, the larger a K dwarf and the smaller a red dwarf. (Photo by NASA/JPL-Caltech/T. Pyle via Getty Images)

A participant of the “Zombie Takeover of Coney Island” acts like a zombie as he walks along Surf Avenue in Coney Island in the Brooklyn borough of New York, July 2, 2014. (Photo by Carlo Allegri/Reuters)