You see how this epicycle theory could account for the seemingly backward motion of the planet.

你可以看到这个本轮理论是如何解释行星看起来像在做反向运动的。

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Motion during the long exposure produced streaks in the starry background and the city lights on the darkened planet below.

在长时间曝光中的运动在星光熠熠的背景和下方变暗了的城市灯光上产生了条纹。

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On August 6th America’s space agency, NASA, announced that its Kepler planet-detector (named after the man who worked out the laws of planetary motion, as this article explains) is also behaving well.

8月6日，美国航天局和美国宇航局（NASA），宣称其开普勒号行星探测仪（根据发现了行星移动定律的开普勒命名，点此可见详细介绍）现在运行得十分良好。

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Mister Tombaugh continued to record the motion of the new planet for thirteen years.

VOA: special.2010.07.11

Scientists explain that the surface of our planet is always in motion.

VOA: special.2010.01.12

The 1956 sci-fi thriller Forbidden Planet was the first major motion picture to feature an all-electronic film score a soundtrack that predated synthesizers and samplers.

NPR: The Barrons: Forgotten Pioneers of Electronic Music

Neptune was also discovered in 1846 after two mathematicians analysed decades of observations of the anomalous motion of Uranus to reveal the gravitational influence of an unseen planet.

ECONOMIST: Mining the digital skies