The researchers wrote that a straightforward explanation for Oumuamua is that it is a planetesimal.

研究人员，“直观的解释是：'奥陌陌’是一颗微行星”。

These little blobs are called planetesimals — wee baby planets.

这些小斑块被称为微行星——也就是婴儿状态。

It is classified as a planetesimal — objects that were among the original building blocks of our solar system.

它被归类为星子——星子是太阳系初的组成部分之一。

And how does the chaos and turmoil of dust become pebbles, and pebbles become boulders, and boulders become planetesimals?

尘埃是如何过风云巨变变成卵石的，卵石是如何变成巨石的，巨石是如何变成星子的？

In 2008, one researcher suggested that Venus may have gotten its weird spin back when it was a wee li'l planetesimal.

2008 年，一位研究人员提出，金星在还是一颗微行星时可恢复了奇怪的自转。

Dust and gas orbiting our young Sun cooled and collided to form a few thousand miniature bodies we call planetesimals.

围绕我们年轻的太阳运行的尘埃和气体冷却并碰撞形成了数千个我们称之为星子的微型物体。

But its progress was cut short by a series of hit-and-run collisions with other planetesimals that knocked off the rocky crust until only the core remained.

但它的进程因与其他小行星的一系列肇事逃逸碰撞而中断，这些碰撞撞掉了岩石地壳，直到只剩下核心。

What makes Psyche so special is that it appears to have been a planetesimal well on its way to becoming a planet, with a rocky exterior surrounding a metal core.

Psyche 之所以如此特别，是因为它似乎是一颗正在成为行星的微行星，其岩石外壳围绕着金属核心。