nebula

As nouns the difference between taxonomy and nebula

is that taxonomy is the science or the technique used to make a classification while nebula is (astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes).

As nouns the difference between nebula and protostar

is that nebula is a cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes) while protostar is a collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.

As a noun nebula

is (astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes).

As an adjective nebulalike is

resembling or characteristic of a nebula.

In astronomy|lang=en terms the difference between nebula and nubecula

is that nebula is (astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes) while nubecula is (astronomy) a nebula; specifically, the magellanic clouds.

As nouns the difference between nebula and nubecula

is that nebula is (astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes) while nubecula is (astronomy) a nebula; specifically, the magellanic clouds.

As nouns the difference between nebula and nebulium

is that nebula is a cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes) while nebulium is a supposed element proposed as a result of spectral analysis of light from a nebula; the emission lines concerned are now known to be due to doubly-ionized oxygen.