The International Space Station (ISS) is the largest human-made object to orbit the Earth. In fact, the space station is a home in which the crew of astronauts and cosmonauts live.

Here we’re going to learn 16 astonishing facts about the International Space Station.

  1. The ISS flies at an average altitude of 400 kilometres (250 miles) above the Earth.
  2. Astronauts aboard the International Space Station experience 16 sunrises and 16 sunsets every day.
  3. Sixteen nations worked together to build and use the space station: the United States, Russia, Canada, Japan, Belgium, Brazil, Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, Switzerland and the United Kingdom.
  4. More than 230 people from 18 different nations have visited the International Space Station since the year 2000.
  5. The International Space Station is as spacious as a six-bedroom house. It has six sleeping quarters, two bathrooms, a gym and a 360-degree view bay window.
  6. The ISS is the third brightest object in the night sky, and it can often be seen with the naked eye from Earth.
  7. The space station travels at an average speed of 17,500 miles per hour. This means it orbits the Earth once every 90 minutes.
  8. The ISS is the single most expensive object ever made. The cost of the ISS has been estimated at over $100 billion (£66.7 billion).
  9. On Earth, the International Space Station weighs around 925,335 pounds (419,725 kilograms).
  10. Astronauts exercise for two hours each day in order to prevent the loss of bone and muscle mass in micro-gravity.
  11. The internal pressurized volume of ISS is 32,333 cubic feet, which is about the same of a Boeing 747.
  12. The ISS is 357 feet (or 109 meters) long – that is big enough to cover a football field including the end zones.
  13. The space station is five times the size of the US Skylab and four times bigger than Russia’s Mir.
  14. American astronaut Peggy Whitson set the record for spending the most time living and working in space at 665 days on September 2, 2017.
  15. The electrical power system at the space station is connected by eight miles of wire.
  16. Astronauts and cosmonauts have made 205 spacewalks for the repair, maintenance and assembly of the space station since 1998.
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