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1. Shuttle Discovery chased the international space station in orbit yesterday as its seven astronauts began a painstaking laser inspection of their ship's wings.
2. The International Space Station orbits the Earth at an altitude of approximately 360 km, a type of orbit usually termed as low Earth orbit.
3. Mir was a Soviet and later Russian space station, operational in low Earth orbit from 1986 to 2001.
4. The samples will be returned to the ground for analysis, which will help determine if the station can safely remain in orbit beyond 2020.
5. Elements of a space station will be in orbit by 2011 before a robotic landing is attempted on the Moon two years later.
6. orbit station的翻译
6. A spacewalking astronaut tossed two large chunks of junk off the international space station yesterday, hurling the old equipment into orbit.
7. The space station flies at a lower orbit than the collision course.