Which preposition to use with nebula

of Occurrences 6%

But so the remoter stars seem a nebula of united light, yet there is no group which a telescope will not resolve, and the dearest friends are separated by impassable gulfs.

in Occurrences 3%

For is not the sphere, or ovoid, the unit form of nature; and is not the spiral vortex its characteristic motion, from that of the nebula in the sky to the electron in the atom?

into Occurrences 1%

Then this self-recognition would lead to the conception of still more specific activity having its appropriate polar opposite, or material correspondence, in the condensation of the nebula into a solar system.

to Occurrences 1%

We have found that in this way the externalization of the idea progresses from the condensation of the primary nebula to the production of human beings as a race, and that at this point the simple generic reproduction of the idea terminates.

Which preposition to use with  nebula