"expansion of space" is a correct and usable phrase in written English.
It can be used to refer to a situation where something is becoming larger and more expansive. For example, "The expansion of space between the two countries has led to improved diplomatic relations."
While the set is minimal, there is the appearance of a consistent expansion of space.
The ongoing expansion of space stretches the galaxy's light and shifts features in its spectrum to longer and longer wavelengths.
And by stimulating a rapid expansion of space activities, it deserves some credit for speeding the development of communications, navigation and weather satellites.
On the contrary, Ms. Li felt a sudden expansion of space when her husband was lifted out, and now she could breathe more easily.
Thus, without in a sense actually moving in the spatial direction, galaxies can be carried apart by the expansion of space itself.
If the dark energy doesn't degrade over time, then the accelerated expansion of space will continue unabated, dragging away distant galaxies ever farther and ever faster.
The instrument is sensitive to near-infrared light, the wavelengths at which the emissions of extremely distant galaxies--stretched by the expansion of space--shine most brightly.
The Big Bang--the sudden and extremely rapid expansion of space-time that began 13.7 billion years ago--is generally accepted among scientists as the beginning of the universe.
A sound in which it is the contraction and expansion of spaces, the alternation of full and empty elements, the flights and refrains, deserted places and high intensity nodes that will determine the rhythmic course of the form.
The researchers discovered a distinct curl in the polarization pattern of the CMB, a sign of gravitational waves created by the rapid expansion of space-time just after the Big Bang.
Spitzer observed 90 cepheid stars, and was able to measure their apparent brightness more precisely than previous studies, leading the way to a more refined measurement of their distances, and the expansion rate of space.
