而且，如果他们真是混合体，那么成为巨型地球的岩石行星和迷你海王星的气体行星之间的界限在哪？

And, if they are a mixture, where is the boundary between the rocky ones, known as super-Earths, and the gaseous ones, known as mini-Neptunes?

youdao

而且，如果他们真是混合体，那么成为巨型地球的岩石行星和迷你海王星的气体行星之间的界限在哪？

And, if they are a mixture, where is the boundary between the rocky ones, known as super-Earths, and the gaseous ones, known as mini-Neptunes?

youdao