Explore the crucial role of gas in the Universe through this captivating 71-minute lecture by Dr. Andrew Fox from the Space Telescope Science Institute. Delve into the various forms of gaseous matter found throughout the cosmos, from planetary and stellar atmospheres to the vast expanses of interstellar and intergalactic space. Discover how gas clouds are essential to star formation and galactic evolution. Learn about the importance of observing light emitted by gaseous matter in understanding the cosmos. Journey through topics such as vacuums, atmospheres of planets like Jupiter and exoplanets, nebulae, the relationship between stars and gas, the Milky Way, Magellanic Clouds, Andromeda, and the Cosmic Web. Gain insights into the density, temperature, and reorganization of gas in the Universe, as well as its connection to dark matter. Recorded live at the Space Telescope Science Institute, this talk offers a comprehensive exploration of the gaseous realm that shapes our understanding of astrophysics. Read more