Look Up: Signs in the Sky

Episode 1: Sun Simulator?

In this episode of "Look Up: Signs in the Sky," Mark Keller discusses the colors of the sky during sunrise and sunset, and what they signal about our environment. He posits that these shades of the sky are not just artistic spectacles but convey intriguing facts about our climate and atmospheric conditions. Specifically, he explains how the warm orange hue during sunsets or sunrises is the result of sunlight being refracted by the Earth's atmosphere, and the serene violet color at twilight is the effect of scattered sunlight in the atmosphere with our eyes perceiving a blend of blue and violet. Mark encourages the listeners to continue exploring the knowledge that these atmospheric colors provide, asserting that they can help anticipate weather conditions and expand our understanding of our planet. He ends the episode by urging listeners to remain curious about the world and learn from the incredible cosmos.