In Mars the sunset is Blue

SCIENCE

Sunset at Gusev Crater: The Sun sinks below the horizon in this stunning panoramic view captured by NASA’s Spirit Mars rover in 2005. NASA/JPL/Texas A&M/Cornell

Contemplate this image for a few seconds, realize all the engineering effort, all the technological and scientific progress, the vast amount of human resources that were invested in achieving this photo. We are watching the sunset on ANOTHER PLANET that at its closest point to us is more or less 70 million kilometers away from Earth (here you can see the current Mars-Earth distance). Think about it…