Lecture cancelled on Nov 26 and final lecture on Dec 2nd

The Nov 26 lecture is cancelled.

The last lecture of the course will be held on December 2nd, with two guest lectures from the ITA: 12:15-13:00 Solar Observations by Dr. Ana Bel¨¦n Gri?¨®n Marin; 13:15-14:00 CMB observations by Dr. Mathew Galloway.