The International Space Station has been described as the most expensive single item ever constructed at $150 billion.
An ultralight craft, like a paper airplane, could in theory be dropped from space and land safely on Earth. There have even been discussions about releasing one from the International Space Station to see what would happen.
Rather than wasting water on doing laundry, astronauts on the International Space Station eject their dirty worn clothes into space to burn in the Earth’s atmosphere.
The International Space Station is the most expensive object ever constructed, costing about $150 billion USD.