inner solar system

例句：

1. 1. The inner solar system is home to many planets and moons.
   内太阳系是许多行星和月球的家园。
2. 2.Our solar system consists of the sun and all the planets in it.
   我们的太阳系由太阳和其中的行星组成。
3. 3.The discovery of a new planet in the inner solar system has sparked excitement among astronomers.
   在内太阳系发现一个新行星，激发了天文学家们的兴奋。