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轨道或者说离地球多远？

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

Aphelion（远日点）是离太阳最远的轨道点，而Perihelion（近日点）是指最近的。

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完成了第一次发射火箭的俘虏运载飞行，但是她说她对公司的下一个重要里程碑，第一次轨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.

这种设置很不讨人喜欢，但与老式空间站的轨道设施相比，这已经是一个大的进步了。

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轨道之，需要得到联邦航空局的批准，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轨道发射测试。

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.

行星的大小都不相同，行星环绕恒星的轨道距离也不同。

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.

沿着伦敦名叫M25的的环行高速走了一圈，以此证明你不需要走得很远去寻找冒险的直觉。

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关于轨道力学和火箭推进的讲座？

But then you're go into orbital mechanics.

然后你要学习轨道力学。

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

较早的记忆会激活眼眶额叶皮质——连结知觉的部位。

Or, technically speaking, what is their orbital eccentricity?

或者，更准备的来说是它的轨道偏心率是多少？

And the second is an orbital chain reaction of collisions.

第二个是当轨道碰撞的连锁反应发生时。

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年月球轨道飞行的第二次尝试。

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了机组人员在轨道实验室可能长达数月的逗留。

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

“天问一号”火星探测器完成第二次轨道中途修正。

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

火炬将再在空间站待两天的时间。

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) 曾经设想的大型轨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轨道飞行？