Secrets of the Sun (2012) is a Documentary film that follows it contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe. Currently, you can watch Secrets of the Sun on History Vault, Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 9.0 out of 10 from 1 votes. Fans of documentary movies may also want to explore similar titles below.