5. Consider the following statements about “Tianhe”, launched by China, recently in News
1- The launch was the first of 11 missions needed to complete the space station, which will orbit Earth at an altitude of 340 to 450 km (211-280 miles).
2- Launched on the Long March 5B, from the Wenchang Space Launch Centre on the southern island of Hainan.
3- It forms the main living quarters for three crew members in the Chinese space station, which will have a life span of at least 50 years.
Which of the following given above is/are correct