Dear colleagues,
the 2021 Christmas Lecture is CANCELED.
We really much hope we can have Professor Cesarsky soon in Bologna.
We take the opportunity to wish to all you and your families:
Merry Christmas and Happy New Year
Andrea (on behalf of JAC board and the DIFA and IRA Directors)
Andrea Comastri
Director
INAF—OAS Osservatorio di Astrofisica e Scienza dello Spazio di Bologna