Radio Astronomy: The Hidden Universe

This lecture introduces the field of Radio Astronomy, highlighting the differences between optical and radio observations. It explores the unique features of the radio sky, from revealing exotic phenomena like dark matter to studying astrophysical radio objects such as black holes and galaxies. The course covers the technologies used in detecting radio waves, the challenges of observing in the radio sky, and the construction of the Square Kilometer Array (SKA), one of the largest scientific instruments ever built. Taught by experts in the field, the course delves into the physical processes behind radio emission and the connection between physics and observed objects.