Percival Lowell also studied the effect of gravity on the planet Neptune.

珀西瓦尔·洛厄尔还研究了重力对海王星的影响。

Today, we tell about Percival Lowell whose work led to the discovery of Pluto.

今天，我们讲述珀西瓦尔·洛厄尔的故事，他的工作导致了冥王星的发现。

Percival Lowell came from a New England family with a long history in America.

珀西瓦尔·洛厄尔来自新英格兰的一个家庭，在美国有着悠久的历史。

Percival Lowell did not know that his eyes played a part in the markings he saw on Mars.

珀西瓦尔·洛厄尔不知道他的眼睛在他在火星上看到的标记中起了作用。

The most famous of these erroneous predictions came from Percival Lowell, who was convinced that there must be a planet just beyond Uranus and Neptune, messing with those orbits.

这些错误预测中最著名的来自珀西瓦尔·洛厄尔 (Percival Lowell)，他坚信天王星和海王星之外一定有一颗行星扰乱了这些轨道。