根据第四段Not only do astronauts float through a near vacuum (真空) filled with radiation,but in low-Earth orbit,where the International Space Station (ISS) operates,crews have to deal with a growing cloud of debris (碎片) circling Earth,which are usually from old satellit...
They're primarily designed for Low Earth Orbit (LEO)—an easily accessible region of space from around 200 to 800 miles above Earth, where human-tended missions like the Hubble Space Telescope and the International Space Station (ISS) hang out. But they can attain more distant orbits; NASA p...
The change in therelationship between Isserley and her passengers from the hypotext to the hypertext is also conveyed bythe vehicles she uses in the respective texts. In the novel it is a small, cheap and old passenger car, a ToyotaCorolla, reflecting her modest economic status and the need...