Why Martian Sunsets are Blue

In continuing celebration of Independence Day, here is a video of a Martian sunset taken by the Mars Rover Opportunity.



Here is an article about why Martian sunsets are blue (and why Earth sunsets are red).  I am so pleased to be alive during an era when we can watch video of a Martian sunset.  It is interesting to think about what that would do to the lighting in landscape paintings on Mars.