Covers the dynamics of stellar orbits in the Milky Way, focusing on the Sun's neighborhood and the significance of Oort constants and epicyclic frequencies.
Delves into the foundational discoveries of radio astronomy, from Maxwell's equations to Jansky's observations of the Milky Way and Reber's advancements in radio dish design.
Explores the recalibration of the cosmic distance ladder using accurate photometry and Gaia parallaxes, addressing challenges and potential refinements.
