This incredible video was “captured by NASA’s Mars Exploration Rover Opportunity on Nov. 4 and 5, 2010; the panoramic camera movie combines exposures taken through different camera filters and accelerates about 17 minutes of sunset into a 30-second simulation.” Continue reading to watch.

The red dust in the atmosphere scatters red light, so when anyone looking around would see a reddish sky. Meanwhile, the red wavelengths are filtered out of the direct path of light from the sun, leaving light towards the bluish end of the color spectrum.

[via Gizmodo]