It takes a whole year for the Earth to go around the sun one time.

地球围绕太阳公转一周需要一年。

The planet Kepler 69c follows a Venus-like orbit around a sunlike star.

开普勒69c围绕一颗类太阳恒星运转，其轨道类似于金星围绕太阳公转轨道。

Asteroids orbit the sun but are much smaller than planets.

小行星围绕太阳运行，但比行星小得多。

Our earth and the other planets move round the sun.

地球与其他行星一样, 围绕太阳运动。

There's lots of controversy around solar geo-engineering and for good reason.

围绕太阳能地球工程有很多争议，这也是应。

An exoplanet is a planet that orbits a star outside our solar system.

系外行星是围绕太阳系外恒星运行行星。

Our planet goes around the sun and this creates night and day and the seasons.

我们行星围绕太阳运转，这带来了白天夜晚和四季变换。

This tilt is what maintains the repeatable cycle of seasons, as the Earth orbits the Sun.

这个倾斜保持了季节周期，随着地球围绕太阳运转。

Galileo believed the Earth revolves around the sun. Ted Cruz believes the Earth revolves around Ted Cruz.

伽利略相信地球围绕太阳转。泰德·克鲁斯相信地球围绕着泰德·克鲁兹转。

Shortly after the Sun formed, you had a lot of material orbiting around the Sun.

很快地周围物质开始围绕太阳旋转。

Well, it actually takes the planet Earth 365 days and six hours to revolve completely around the sun.

事实上，地球围绕太阳公转一周需要365天零6个小时。

Today you learned that comets are chunks of ice and rock that orbit the Sun.

今天你到了彗星是围绕太阳旋转冰块和岩石。

All the other stars are called fixed stars, because they do not move round the sun.

其他星星则都被称作恒星, 因为它们没有围绕太阳进行运动。

A lunar eclipse happens when the moon passes through Earth's shadow as our planet goes around the Sun.

当月球穿过地球围绕太阳公转所产阴影部分时会发月食。

He is the Sun. Everything else revolving around the Sun is a planet or a moon.

他就是太阳一样存在。其他围绕太阳转动都是行星或卫星。

A day is only 9.9 hours long. And it takes 11.86 years to orbit the Sun.

木星上一天只有9.9小时长。围绕太阳转一圈需要11.86年。

It is also designed to study exoplanets - planets that orbit stars other than the sun.

它还被设计用来研究系外行星——围绕太阳以外恒星运行行星。

Then there are Trojan asteroids, a large group of asteroids that share the orbit of planets around the sun.

还有特洛伊小行星，这是一群共享行星围绕太阳运行轨道小行星。

And they moved the line, figured out how planets worked, how they moved around the Sun.

他们移动了这条线，弄清楚了行星运动轨迹，它们是如何围绕太阳运转。

Seven other planets also go around the sun.

此外还有七颗行星也围绕着太阳转。