Sara Jones is a professor of elementary education at Illinois State University.

萨拉·琼斯是伊利诺伊州立大学的基础教育教授。

Special thanks to Matt Caplan, a physicist at Illinois State University who worked on a team whose recent paper taught us what the impact crater left behind by a primordial black hole would actually look like.

露露：特别感谢伊利诺伊州立大学的物理学家马特·卡普兰（Matt Caplan），他所在的团队最近发表的论文告诉我们原始黑洞留下的撞击坑实际上是什么样子。