Blue horizon (via The greatest hits from Mars - Slideshows and Picture Stories - msnbc.com)

A Martian sunset reverses the colors you’d expect on Earth: Most of the sky is colored by reddish dust hanging in the atmosphere, but the scattering of light creates a blue halo around the sun itself.

Blue horizon (via The greatest hits from Mars - Slideshows and Picture Stories - msnbc.com)

A Martian sunset reverses the colors you’d expect on Earth: Most of the sky is colored by reddish dust hanging in the atmosphere, but the scattering of light creates a blue halo around the sun itself.