By Tech tudum
Building began in 1998
Largest human-made object in space
The ISS orbits Earth at an altitude of approximately 250 miles
The ISS is a collaboration between five space agencies
NASA, Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada).
The ISS has been continuously occupied by humans since November 2, 2000
Crews of astronauts and cosmonauts from various countries living and working on board
Used as a platform for Earth observation and remote sensing, technology demonstrations
It also serves as a testbed for technology that will be used on future missions to the Moon and Mars