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

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一颗类太阳恒星运转，其轨道类似于金星太阳公转的轨道。

Asteroids orbit the sun but are much smaller than planets.

小行星太阳运行，但比行星小得多。

Our earth and the other planets move round the sun.

与其他行星一, 太阳运动。

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

太阳工程有很多争议，这也是应该的。

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

系外行星是太阳系外的恒星运行的行星。

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

我们的行星太阳运转，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的周期，随着太阳运转。

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

伽利略相信太阳转。泰德·克鲁斯相信着泰德·克鲁兹转。

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

很快周物质开始太阳旋转。

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

事实上，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.

今天你学到了彗星是太阳旋转的冰块和岩石。

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.

当月穿过太阳公转所产生的阴影部分时会发生月食。

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

他就是太阳一的存在。其他太阳转动的都是行星或卫星。

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。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——太阳以外的恒星运行的行星。

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，这是一群共享行星太阳运行轨道的小行星。

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

他们移动了这条线，弄清楚了行星的运动轨迹，它们是如何太阳运转的。

Seven other planets also go around the sun.

此外还有七颗行星也着太阳转。