Editing 1789 in science (section)

==Astronomy==
* August 28 and September 17 – [[William Herschel]] discovers [[Saturn]]'s moons [[Enceladus]] and [[Mimas (moon)|Mimas]], which he describes to the [[Royal Society]] of London on November 12.<ref>{{cite journal|first=William|last=Herschel|title=Account of the Discovery of a Sixth and Seventh Satellite of the Planet Saturn; with Remarks on the Construction of its Ring, its Atmosphere, its Rotation on an Axis, and its spheroidical Figure|journal=[[Philosophical Transactions of the Royal Society]]|location=London|volume=80|date=1 January 1790|pages=1–20|doi=10.1098/rstl.1790.0001|doi-access=free}}</ref>
* [[Maximilian Hell]] establishes the [[constellation]]s ''[[Telescopium Herschelii|Tubus Hershelli Major]]'' and ''Minor'' in honour of Herschel's discovery of Uranus (constellations obsolete by 1930).<ref>{{cite web|url=http://www.ianridpath.com/startales/telher.htm|title=Telescopium Herschelii|work=Star Tales|authorlink=Ian Ridpath|last=Ridpath|first=Ian|accessdate=2016-03-08}}</ref>