1.
Its orbit would be thousands of times further from the Sun than the Earth's, which could explain why it was previously undiscovered.
这颗行星的绕日运动轨道比地球长数千倍,这也许正是它长期未被探测到的原因。
2.
Each planet traces an orbit around the sun as if no other planets were present.
每一个行星绕着太阳作轨道运行,就像不存在其它行星那样。
3.
"You'd have to position the craft as close to the sun as you can, probably within the orbit of Mercury, " Matloff says.
你应当将这样一艘飞船放置在尽可能离太阳近的地方,或许位于水星轨道内侧。“马特罗夫说。”
4.
The release of the map marks a new phase of the mission for the spacecraft, which will now orbit the sun's innermost planet for a year.
这份地图的发布标志这个航天器的任务的新阶段,它现在将环绕这个太阳最里面的行星飞行一年。
5.
As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun.
作为另一个例子,地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。
6.
Pyongyang said the rocket put a satellite in orbit, but the US and its Asian allies saw it as a long-range missile test.
平壤表示,火箭将一枚卫星送入轨道,但美国及其亚洲盟邦均将其视作一次远程导弹试验。
7.
Private companies are working on such vehicles, but it could be several years before one is ready to take astronauts into orbit.
私营公司正在研制太空工具,但是还需要几年的时间才可能将宇航员运上轨道。
8.
It was as if Mars suddenly popped from its own orbit out to Jupiter.
仿佛火星突然从自己的轨道移到了木星那。
9.
The idea of shooting bodies "into the Sun" is not acceptable in today's society, though some form of on-orbit disposal was suggested.
尽管有人提出过某种轨道运行中的尸体处置法,但那种把尸体“射入太阳”的主意在当今社会还不可取。
10.
Wouldn't we feel the earth moving if it were spinning on its axis, or if it were travelling through space in an orbit around the sun?
如果地球是在绕地轴自转,或是绕着太阳公转,我们为何一点也感觉不到呢?