Discoveries by Guido Pizarro (astronomer)
= Discoveries by Guido Pizarro (astronomer)
{wiki=Category:Discoveries_by_Guido_Pizarro_(astronomer)}
As of my last update in October 2023, there isn't a widely recognized figure named Guido Pizarro in the field of astronomy with notable discoveries. It's possible that you might be referring to someone less known or perhaps a researcher who has emerged after that date.