Embark on a comprehensive journey through Earth Science in this introductory lecture. Explore the fundamental branches of Earth Science, including geology, oceanography, meteorology, and astronomy. Delve into the formation of Earth, its various spheres, and the interconnected Earth system. Learn about the scientific method, hypothesis testing, and widely accepted theories in the field. Gain perspective on the vast scale of the universe and Earth's place within it, from the Big Bang to the present day. Enhance your understanding with recommended supplementary videos covering topics like the scale of the universe, star sizes, asteroid discovery, and thought-provoking scientific concepts.