Giuseppe Piazzi

Giuseppe Piazzi discovered a dwarf planet on 1 January 1801, along with the Thirteenth Doctor and her friends. Yasmin Khan later recalled this encounter as her favourite of the nineteen New Year's Eves they had visited in succession. (TV: Resolution)
== Behind the scenes ==
In the real world, Giuseppe Piazzi was the Italian astronomer who discovered the dwarf planet Ceres.
Category:19th century individuals
Category:Astronomers from the real world
Category:People from the real world encountered by the Thirteenth Doctor