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Gas and Dust in the Milky Way: Building Blocks of the Galaxy
The Milky Way is more than just a collection of stars; it is a dynamic and intricate system that includes vast amounts of gas and dust. Together, these components form the interstellar medium (ISM), which occupies the space between stars and plays a critical role in the galaxy's lifecycle. Gas and dust are not only the raw materials for star formation but also key players in the dynamics, evolution, and appearance of the Milky Way.
What Are Gas and Dust in the Milky Way?
Gas and dust in the Milky Way constitute the primary elements of the ISM. They are present in different forms, temperatures, and densities, influencing both the physical processes and the observable characteristics of the galaxy.
Gas in the Milky Way
Gas forms the majority of the ISM by mass and is composed primarily of hydrogen and helium, along with trace amounts of heavier elements. Depending on its state and environment,