The event,on July sixteenth, was a rare chance for planetary scientists to share with the public the mysteries of Mars.

VOA: special.2010.07.28

OK, this is the Bohr model, Bohr model of the atom is planetary or nuclear.

好的，这就是波尔模型，波尔的原子模型是行星模型或者核心模型。

麻省理工公开课 - 固态化学导论课程节选

And in its stead Rutherford proposed something akin to a planetary system.

而卢瑟福提出的,和行星系统相似的原子结构取而代之。

麻省理工公开课 - 固态化学导论课程节选

Michael Drake is the Director of the Lunar and Planetary Laboratory at the University of Arizona.

VOA: special.2011.06.22

It's not going to Jupiter.It's going to some other planetary system.

它不是去木星，而是去其他的星系。

耶鲁公开课 - 死亡课程节选

Michael Meyer says planetary scientists often study processes that are very different from ones on Earth.

VOA: special.2009.12.30

Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

耶鲁公开课 - 基础物理课程节选

We send these robots off as our little planetary emissaries to go and do the science.

VOA: special.2011.05.25

So, it's a planetary model.

这是一个行星模型。

麻省理工公开课 - 固态化学导论课程节选

NASA says Kepler-11 has the fullest, most compact planetary system yet discovered beyond our own.

VOA: special.2011.02.09

But no one dared say we have this little planetary model, I've got an electron orbiting a central nucleus and I am going to endow that electron with quantized states That was a big leap and that was Bohr in postulate five Postulate five I am just going to reproduce.

但是没有人敢说,我们拥有了这个小行星模型，知道了电子绕原子核运行,现在就要让它使电子处于量化的状态,假设五中波尔的成就是一个跳跃式的进步,假设五中我只需要重申一些东西。

麻省理工公开课 - 固态化学导论课程节选

And he says five of the planetary candidates are both close to the size of Earth and orbit in the habitable area of their parent stars.

VOA: special.2011.02.09

That was Cartesian space. When I plot r as a distance out from the nucleus that is sort of our simple-minded planetary model. Now let's look at energy.

笛卡尔坐标系，当我用r表示,离原子核的距离时，那只是我们头脑中简单的,类似行星的模型，现在我们看一下能量问题。

麻省理工公开课 - 固态化学导论课程节选

The team's findings are to be published in the journal Meteorics and Planetary Science.

VOA: special.2009.09.30

I'm a planetary geologist here at the Air and Space Museum.

VOA: special.2010.07.28

Jim Green is director of NASA's Planetary Science Division.

VOA: special.2009.09.30

(SPEAKING) "Avatar" created a new planetary experience.

VOA: standard.2010.03.11