Answer: If there was no atmosphere, there would be no refraction of sunlight. Sunlight reaches our eyes directly. Looking up, the sun could be seen, but the rest of the sky looked black. Because no scattered light would reach our eyes from there.
Answer: If there was no atmosphere, there would be no refraction of sunlight. Sunlight reaches our eyes directly. Looking up, the sun could be seen, but the rest of the sky looked black. Because no scattered light would reach our eyes from there.