One would need to guess at what you mean by space in terms of the science of motions. (religion.blogs.cnn.com)
A handy «what's popular» box appears just below the fold on the right, letting visitors know what others are reading about in terms of science topics. (educationworld.com)
This is a polished, epic depiction of an alien landscape, up there with Avatar in terms of science fiction world - building. (hoopla.nu)