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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For when Shenton rides his motorbike, he says it is not gravity that pins him to the road, but the rapid upward motion of a disc-shaped planet.

比方说，他认为人骑摩托能紧贴在地面与重力并无关系，而是由于这个星球像个圆盘，在急速地上升。

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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