矮星

例句：

1. 1. The discovery of a new dwarf planet has sparked excitement in the scientific community.
   新矮行星的发现在科学界引起了兴奋。
2. 2. This dwarf planet orbits around another star, making it unique among its kind.
   这个矮行星绕着另一颗星星运行，使它与其他同类不同。
3. 3. The discovery of this dwarf planet is expected to revolutionize our understanding of celestial bodies.
   这个矮行星的发现预计将改变我们对天体的理解。