Sky Laboratory of Rare - International Space Station, abbreviated as ISS.In what man has made to this dayIt took 11 years and 42 missions to build this most expensive celestial body.The ISS is a joint venture between five space agencies...
Also known as space junk, orbital debris, or space trash, it is a collection of man - made objects orbiting in space. All of this was part of mankind's explorations into space, and much of it was made up of...
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