Consider the following features of the Tiangong Space Station:
1. It consists of a core module named Tianhe.
2. The station can accommodate up to three astronauts at a time for six-month stays.
3. Tiangong has 16 modules like the International Space Station (ISS).
4. It includes two science modules called Wentian and Mengtian.
5. The station was launched in 2025.
How many of the above statements are correct?
1
Only two
2
Only three
3
Only four
4
All five