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Explores the impact of COVID-19 on astronomy and the European Southern Observatory, delves into the Friedmann equations, and discusses the concept of dark energy.
Explores the 3D distribution of galaxies, galaxy clustering, and the cosmic microwave background, shedding light on the observable universe's contents and properties.
Delves into how astronomers study celestial objects through emitted light, focusing on different spectra types and their origins, including examples like a light bulb filament and the Sun's spectrum.
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.
