Metadata
Author: ParaCrawl Corpus
Data
English[en]
In 1900 and 1901, Harvard College Observatory director William Henry Pickering led two searches for trans-Neptunian planets.
Spanish[es]
En 1900 y 1901, el director del Observatorio del Harvard College, William Henry Pickering, lideró dos búsquedas de planetas transneptunianos.