在所有的内行星中，只有水星和地球拥有这样一个领域。

Of all the inner planets, only Mercury and Earth boast such a field.

同样，由于它们的相对位置，四颗类木行星被称为外行星，而类地行星被称为内行星。

Also, because of their relative locations, the four Jovian planets are known as the outer planets, while the terrestrial planets are known as the inner planets.

一种解释是HIP 13044在红巨星阶段吞噬了它的一些带内行星，这可能使它自转得更快。

One explanation is that HIP 13044 swallowed its inner planets during the red giant phase, which would make the star spin more quickly.

来自太阳的太阳风以其强大的力量吹走了内行星上的氢和氦一类的轻元素，只留下了更小的石质星球。

The solar wind from the sun was so powerful that it swept away most of the lighter elements, such as hydrogen and helium, from the innermost planets, leaving behind mostly small, rocky worlds.