Michael Disney during his speech, this morning, at the IAU Symposium 355, at the University of La Laguna.

Orbit of interstellar comet C/2019 Q4 (Borisov)

Material donado por el Rotary Club La Laguna del Distrito 2201 de Rotary para las escuelas locales de Allande. Crédito: Lucía González Cuesta