Editing 1802 in science (section)

==Astronomy==
* March 28 – [[H. W. Olbers]] discovers the [[asteroid]] [[2 Pallas|Pallas]], the second known.
* May 6 – [[William Herschel]] coins the term ''asteroid''<ref>{{cite journal |jstor=107120 |first=William |last=Herschel |title=Observations on the two lately discovered celestial Bodies |journal=Philosophical Transactions of the Royal Society of London |volume=92 |pages=213–232 |date=6 May 1802 |doi=10.1098/rstl.1802.0010 }}</ref><ref>{{cite web |url=http://aa.usno.navy.mil/faq/docs/minorplanets.php |first=James L. |last=Hilton |title=When Did the Asteroids Become Minor Planets? |date=2001-09-17 |access-date=2006-08-16 |archive-url=https://web.archive.org/web/20090825024347/http://aa.usno.navy.mil/faq/docs/minorplanets.php |archive-date=2009-08-25 |url-status=dead }}</ref> and on July 1 first uses the term [[binary star]] to refer to a star which revolves around another.<ref>{{cite journal | date = 1802 | title =  Catalogue of 500 New Nebulae, Nebulous Stars, Planetary Nebulae, and Clusters of Stars; With Remarks on the Construction of the Heavens| first= William |last=Herschel | jstor=107131| url =https://zenodo.org/record/1432308/files/article.pdf | journal = Philosophical Transactions of the Royal Society of London | volume = 92 | pages = 477–528 [481] |bibcode = 1802RSPT...92..477H | doi = 10.1098/rstl.1802.0021 | doi-access = free }}</ref>