Well the earth is rotating while simultaneously revolving around the sun.

其实地球在的同时也绕太阳公。

They take about two Earth years to complete their circuits.

这些卫星绕木星公一圈需要大约2个地球年的时间。

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

开普勒69c围绕一颗太阳恒星运，其似于金星围绕太阳公的。

Though it spins quickly, Jupiter's orbit around the sun takes about 12 years.

尽管木星度很快，但它绕太阳公一周大约需要12年。

That's because Mercury is vertical relatively to the plane of its orbit.

这是由于水星极轴垂直于公平面。

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

地球围绕太阳公一周需要一年。

In fact, some are called orphan planets and don't even orbit a star at all.

还有一些星球被称为“孤儿星球”，它们就算想公也没有恒星。

Is because my rotations the same speed as the Earth taught in this rhyme.

是因为我的度和地球的公度相同。

It takes 27 earth days for me to rotate once around.

我公一周需要 27 天。

It revolves around Earth in a well defined orbit.

它在一个明确的上围绕地球公。

It goes around the sun once in 365 and almost a quarter day.

地球绕太阳公一周的时间是365又四分之一天。

Kepler 62e and 62f are smaller, and orbit a star smaller than the sun.

开普勒62e和开普勒62f体积较小，它们围绕着一颗比太阳小的恒星公。

In their rotational and orbital movements, stars and their satellites go from right to left.

天体的行星和它们的卫星公和的运动，都是从右向左。

Now Mercury has quite a complex orbit.

水星的公有点复杂。

It completes an orbit in just 7 hours and 39 minutes.

它只需 7 小时 39 分钟就完成了一次公。

The problem was, for a long time, we didn't know it was a spinning, revolving ball.

问题是，很长一段时间里，我们都没有认识到地球是一个有着和公的球体。

It's nearly face-on in a perfect circle.

它几乎面对着我，以一个完美的圆形公。

The planets in our solar system don't really revolve in perfectly circular orbits.

太阳系中的行星并不是沿着完美的圆形公。

But it also kind of suggests that planets might revolve around the sun every which way.

但是它也暗示了行星公时可能以任何角度绕行太阳。

NASA says it takes 165 earth years for Neptune to complete a circuit around the sun.

美国宇航局说海王星绕太阳公一周需要165个地球年。