Which modular space station, launched in 1986, operated for 15 years in low Earth orbit and was visited by astronauts from 12 countries before being deliberately deorbited in 2001?

• A Mir ✓
• B Salyut 7
• C Almaz
• D Zvezda

Mir (meaning 'peace' or 'world') was the first continuously inhabited long-term research station, hosting over 23,000 experiments and setting numerous endurance records.