X-treme Facts: The International Space Station

X-treme Facts: The International Space Station — page 3
Building a Space Station So how do you build a huge floating home and laboratory in space With lots of careful planning Starting in 1998 there were 42 flights from Earth to space to deliver parts for the ISS’s main structure Astronauts had to put all the parts together Today the ISS is the largest human-made space object It’s also the most expensive structure ever built costing 120 billion What did they get for all that money The ISS has six sleeping areas for the crew but only two bathrooms I CALL DIBS ON THE BATHROOM BETTER GET IN LINE The ISS weighs 420 tons 381 t That’s about the same as 350 cars 6