" The nature of those first stars is one of the big questions in astronomy, " Nicholl added.

" 第一批恒星的性质是天文学中的一个大问题，" 尼科尔补充道。

Very massive stars like this one were probably more common early in the universe's history, Nicholl said.

尼科尔说，像这样的大质量恒星在宇宙早期历史中可能更常见。