The word nebula means "a cloud, or a mist, or a vapor" in Latin.
neb´yoola [Lat.,=mist], in astronomy, observed manifestation of a collection of highly rarefied gas and dust in interstellar space.

Nebula is a mysterious start of some magnificent planet or a star or a whole new galaxy.

Nebula consulting envisages the start of a new organization evolving around the only constant thing - THE CHANGE !