This is the 1454th most frequent Chinese word.
太空
Outer space.
This sentence uses 太空 to refer to the environment of outer space where satellites operate.
发送到太空的卫星能够帮助改善通讯。
Satellites sent to space can help improve communications.
Here, 太空 refers to 'outer space,' the vast universe outside of Earth's atmosphere.
太空中有许多星星和行星。
There are many stars and planets in outer space.
In this context, 太空 is used to describe the realm of space, which the explorer would navigate or investigate.