homopolar doublet

例句：

1. 1.The discovery of the homopolar doublet has sparked a new era in astronomy.
   发现同极双体引发了天文学的新时代。
2. 2. The study of these two stars is crucial for understanding the properties of black holes.
   研究这两个恒星对于理解黑洞的性质至关重要。
3. 3.The scientists discovered a new type of star that is composed entirely of hydrogen and helium, similar to the homopolar doublet.
   科学家们发现了一种全新的恒星，完全由氢和氦组成，类似于同极双体。