CNN Editorial Research (CNN) — Here’s a look at the International Space Station (ISS), a station operated by a partnership of five space agencies from 15 countries. Information on ISS crews ...

20. If the Milky Way were the size of a single tennis ball, the Andromeda Galaxy (M31) would lie 5.6 feet away. You can see more space facts here on NASA’s web site.

CNN Editorial Research (CNN) — Here’s a look at the International Space Station (ISS), a station operated by a partnership of five space agencies from 15 countries. Information on ISS crews ...