Aphelion is the farthest orbital point from the sun and perihelion is the closest.

Aphelion（远日点）是离太阳最远道点，而Perihelion（近日点）是指最近。

CRANE : Latimer performed the first captive carry flight of its LauncherOne rocket, but says she's really excited for the company's next major milestone, its first orbital flight.

Latimer完一次发射火箭俘虏运载飞行，但是她说她对公司下一个重要里程碑，一次道飞行感到非常兴奋。

Unlovely as this setup is, it's a vast improvement on older space stations' orbital facilities.

尽管这种设置很不讨人喜欢，但与老式空间站道设施相比，这已经是一个巨大进步。

Before they can launch from Starbase, Texas to orbit, they need FAA approval, and SpaceX and Musk hopes to have that in a matter of weeks and they hope to make that first orbital test launch here from Starbase, Texas.

在SpaceX从德州星际基地将火箭发射到道之前，他们需要得到联邦航空局批准，SpaceX和马斯克希望能在几周内得到批准，并且希望能在德州星际基地进行首次道发射测试。

Let's go with something like " orbital position."

就用这个吧，运行位置。

They come in all sizes, at different orbital distances from their stars.

行星大小都不相同，行星环绕恒星道距离也不同。

He walked around the London orbital motorway called the M25, to prove his hunch that you don't need to go far to find adventure.

他沿着伦敦名M25环行高速走一圈，以此证明他你不需要走得很远去寻找冒险直觉。

Why was she not allowed into the engineers' lectures on orbital mechanics and rocket propulsion?

为什么不让她参加工程师们关于道力学和火箭推进讲座？

Most satellites are floating at what orbital altitude or distance from the Earth's surface?

大多数卫星运行于哪个道或者说离地球多远？

But then you're go into orbital mechanics.

然后你要学习道力学。

The earlier memories lit up the orbital frontal cortex, which is connected to perception.

较早记忆会激活眼眶额叶皮质——连结知觉部位。

Or, technically speaking, what is their orbital eccentricity?

或者，更准备来说是它们道偏心率是多少？

And the second is an orbital chain reaction of collisions.

二个是当道碰撞连锁反应发生时。

Flight controllers celebrated the sequel to an orbital flight to the moon in 2008.

飞行器控制人员庆祝这一胜利，这也是继2008年月球道飞行二次尝试。

The critical milestone kicks off the crew's potentially months-long stay in the orbital laboratory.

这一关键里程碑开启机组人员在道实验室可能长达数月逗留。

Mars probe Tianwen-1 has completed its second orbital correction.

“天问一号”火星探测器完二次道中途修正。

The torch will stay at the orbital station for another two days.

火炬将再在空间站待两天时间。

An orbital launch with an Atlas Rocket is going to take time.

靠擎天神火箭推动升空需要花费很多时间。

That's a far cry from the massive orbital space cities NASA once envisioned.

这与美国航天局 (NASA) 曾经设想大型道太空城市相去甚远。

How did you know the Redstone couldn't support orbital flight?

你怎么会知道红石无法支撑道飞行？