Why Astronaut Ron Garan Thinks We Should Colonize The Moon …

European Space Agency's astronaut Alexander Gerst, left, and NASA astronaut Reid Wiseman, crew members of the mission to the International Space Station, ISS, gesture from a bus prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Kirill Kudryavtsev, Pool)

European Space Agency's astronaut Alexander Gerst, left, Russian cosmonaut Maxim Suraev, center, and NASA astronaut Reid Wiseman, crew members of the mission to the International Space Station, ISS, gesture prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Sergei Ilnitsky, Pool)

The photo provided by the European Space Agency ESA shows German astronaut Alexander Gerst on the international space station ISS who put a fourth star on his German soccer shirt after Germany won it's fourth World Cup after beating Argentina 1-0 after extra time. (AP Photo/ESA/NASA)

European Space Agency's astronaut Alexander Gerst, left, Russian cosmonaut Maxim Suraev, center, and NASA astronaut Reid Wiseman, crew members of the mission to the International Space Station, ISS, walk to the rocket prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Sergey Ilnitsky, Pool)

European Space Agency's astronaut Alexander Gerst, a crew member of the mission to the International Space Station, ISS, gestures prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Sergei Ilnitsky, Pool)

In this photo taken with a fisheye lens and with a long time exposure, the Soyuz-FG rocket booster with Soyuz TMA-13M space ship carrying a new crew to the International Space Station, ISS, blasts off at the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, May 29, 2014. The Russian rocket carries European Space Agency's German astronaut Alexander Gerst, Russian cosmonaut Maxim Suraev, and NASA astronaut Reid Wiseman. (AP Photo/Dmitry Lovetsky)

The Soyuz-FG rocket booster with Soyuz TMA-13M space ship carrying a new crew to the International Space Station, ISS, blasts off at the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, May 29, 2014. The Russian rocket carries European Space Agency's German astronaut Alexander Gerst, Russian cosmonaut Maxim Suraev, and NASA astronaut Reid Wiseman. (AP Photo/Dmitry Lovetsky)

The Soyuz-FG rocket booster with Soyuz TMA-13M space ship carrying a new crew to the International Space Station, ISS, blasts off from the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, May 29, 2014. The Russian rocket carries European Space Agency's German astronaut Alexander Gerst, Russian cosmonaut Maxim Suraev, and NASA astronaut Reid Wiseman. (AP Photo/Dmitry Lovetsky)

European Space Agency's astronaut Alexander Gerst, center, Russian cosmonaut Maxim Suraev, bottom, and NASA astronaut Reid Wiseman, crew members of the mission to the International Space Station, ISS, wave prior to the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Dmitry Lovetsky, Pool)

Russian Space Agency experts help European Space Agency's astronaut Alexander Gerst, crew member of the mission to the International Space Station, ISS, to stand up after inspecting his space suit prior to the launch of the Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, May 28, 2014. (AP Photo/Dmitry Lovetsky)

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Why Astronaut Ron Garan Thinks We Should Colonize The Moon ...