Astronomy is like a coat hanger. You can take almost any scientific discipline and make it fit within the framework.

Cosmology, astrophysics, mathematics, chemistry, all could be included but which discipline produces an astronomer?

Perhaps it is a mixture.

Ed

The word seems to derive from the literal interpretation of "star naming". Nowadays the distinction between cosmology, astrophysics, and astronomy gets blurred due to the advances in equipment and technology and the flow of information between the disciplines. Also, many specialities have arisen within astronomy dependent on the focus of the practitioneer.

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For those inclined to oppose human meddling with the structure of the universe or the composition and configuration of objects and groups of objects within the universe, consider:
Whether there is a limit to the magnitude of a modulation of chaos below which order remains invariant? Or, is order but a fiction invented by perspectives applied over finite, however large, time intervals?