supergalactic astronomy

例句：

1. 1. The supergalactic cluster is the most massive galaxy in the universe.
   超星系群是宇宙中最大的星系。
2. 2.The discovery of a new planetary system in the supergalactic region has sparked excitement among astronomers.
   在超星系区域发现一个新的行星系统引起了天文学家们的兴奋。
3. 3. The study of supergalactic objects has led to important discoveries about the nature of dark matter and dark energy.
   研究超星系对象已经导致了对暗物质和暗能量本质的重要发现。