3 ms·no... the sky is clear, and it's the refraction of light through the atmosphere that's confusing you.by soperj 3y agono... the sky is clear, and it's the refraction of light through the atmosphere that's confusing you.bluGill 3y agoAs someone who would die without an atmosphere the distinction is meaningless.soperj 3y agoyou're going to die regardless. The sky still isn't blue, which is quite obvious at night, or during sunsets and sunrise.