Organized by: Kapteyn Learning Community

Ever wondered how astronomers listen to the universe? 🌌📡

Radio astronomy turns invisible cosmic radio waves into real physics. 〰️🔊

In this practice session we’ll explore how radiation travels through the atmosphere, gets collected by antennas and dishes, measured by radiometers, and finally combined by interferometers to create sharp images of stars, galaxies, and the universe. 🌫️📡🛰️

We’ll connect brightness temperature, noise, and Fourier transforms to what your telescope actually sees, so the theory and the hardware finally make sense together. 🌡️📉🔭