Which international space station is a collaborative project involving NASA, Roscosmos, JAXA, ESA, and CSA?
- Tiangong
- Mir
- International Space Station (ISS)
- Skylab
Answer: International Space Station (ISS)
The ISS is a modular space station in low Earth orbit, maintained by a collaboration of five space agencies: NASA (USA), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada).