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 series' title--taken from a late-70's ABC series on which the new one was loosely based--as well as its apocalyptic plot line and deep space locale probably scared off as many viewers as it attracted.

FORBES: The Upfronts

We must stop thinking of space travel as a childish fantasy or a movie or television plot and recognize it as a serious project that may at some point become an absolute necessity.

FORBES: Space: Our Ticket to Survival

This will be an update of a first-person shooter game with a plot that revolves around battling mutant humans attacking from outer space - very similar to the aliens in the Halo series.

BBC: Halo 3 character