The chemicals came from the stars. Stellar evolution provides the fundamental elements of life and planets like earth in the "goldilocks zone" of their star provide the perfect conditions for chemical reactions and chemical evolution that leads to life.
https://vid.me/2TZM
The two scientists in the clip above are Brad Smith (University of Arizona) and Rich Tyrell (CalTech JPL labs), responsible for "little things" like the voyager missions among others. The video the clip originates from aired back in 1991, part of a series titled "The Astronomers". Still just as accurate and factual as when first filmed.
https://vid.me/2TZM
The two scientists in the clip above are Brad Smith (University of Arizona) and Rich Tyrell (CalTech JPL labs), responsible for "little things" like the voyager missions among others. The video the clip originates from aired back in 1991, part of a series titled "The Astronomers". Still just as accurate and factual as when first filmed.