Nebulosity [noun]

The nebulosity of the ten-foot can be resolved into stars by the twenty-foot, and so on.

Prof. Barnard adds that the nebulosity is easily visible in a 12-inch telescope.

Speculated concerning the Milky Way, the nebulosity of stars, the origin and growth of solar systems.

The convolutions of its spiral are filled with numerous starlike condensations, themselves engulfed in nebulosity.

It is the nebulosity out of which the whole came and into which all is ultimately occluded.

Photographs show that the brighter stars of the Pleiades are involved in nebulosity.

There are bristled comets; these resemble the skins of beasts with the fur on them, and are surrounded by a nebulosity.

By going back as far as possible, we thus arrive at a nebulosity so diffused that its existence could hardly be suspected.

There are bristling comets, they are like the skins of beasts with their hair on, and are surrounded by a nebulosity.

A later writer on astronomy said that the substance of the nebulosity and the tail is of almost inconceivable tenuity.