Osmar Manuel Guerra Alvarado PhD candidate Name Ing. O.M. Guerra Alvarado MSc Telephone 071 5272727 E-mail guerra@strw.leidenuniv.nl ORCID iD null News 26 March 2025 Protoplanetary discs are much smaller than previously thought PhD candidate Faculty of Science Leiden Observatory Leiden Observatory Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BW3.38 Contact 071 5272727 guerra@strw.leidenuniv.nl Publications No relevant ancillary activities Share on Facebook Share by Bluesky Share on LinkedIn Share by WhatsApp Share by Mastodon