100,000 Orbits! International Space Station Hits Cosmic Milestone
The International Space Station (ISS) completed its 100,000th orbit of Earth early Monday morning (May 16), NASA officials said.
"This is a significant milestone and is a tribute to this international partnership, made up of the European Space Agency, of Russia, Canada, Japan and the United States," NASA astronaut Jeff Williams said in a video tribute recorded aboard the orbiting lab.
The first component of the ISS was launched on Nov. 20, 1998. Ever since then, the orbiting lab has been zooming around Earth at 17,500 mph (28,164 km/h), completing one lap every 90 minutes or so at an altitude of about 240 miles (386 kilometers).
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