Astronomy is the study of the laws of stars, not of their names, regardless of how close &quot;nomy&quot; sounds to &quot;name&quot;.<p><a href="https:&#x2F;&#x2F;simple.wikipedia.org&#x2F;wiki&#x2F;Astronomy" rel="nofollow">https:&#x2F;&#x2F;simple.wikipedia.org&#x2F;wiki&#x2F;Astronomy</a><p>Additionally Sagan was most certainly conflating it with astrophysics, as is commonly done, and evidenced by his mention of &quot;stellar evolutionary events&quot;.