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

其实地球在自同时也绕太阳。

Now Mercury has quite a complex orbit.

水星轨道有点复杂。

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

地球围绕太阳一周需要一年。

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

这是由水星极轴垂平面。

I take 557 Earth years to orbit the Sun.

我绕太阳一圈需要 557 年。

It revolves around Earth in a well defined orbit.

它在一个轨道上围绕地球。

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

我一周需要 27 天。

They take about two Earth years to complete their circuits.

这些卫星绕木星一圈需要大约2个地球年时间。

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

是因为我自速度和地球速度相同。

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

太阳系中行星并不是沿着完美圆形轨道。

Both are on very elliptical orbits.

它们轨道都呈椭圆形。

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

地球绕太阳一周时间是365又四分之一天。

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

尽管木星自速度很快，但它绕太阳一周大约需要12年。

Not only that, but Pluto orbits the Sun twice for every three times Neptune does.

不仅如此，冥王星绕太阳两周时间海王星可三周。

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。

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，其轨道类似金星围绕太阳轨道。

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”，它们就算想也没有恒星。

Its orbit actually brings it closer to the Sun than Neptune!

它轨道实际上使它比海王星更接近太阳！

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时可能以任何角度绕行太阳。

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

天体行星和它们卫星和自运动，都是从右向左。