https://github.com/davepinch/pinchy.cc/blob/master/content/topics/government/united-states/united-states-declaration-of-independence/text/5-conclusion-1.md
What Does a Sunrise-Sunset Look Like on Mars? (science.nasa.gov) NASA’s Viking 1 lander first showed humans what a sunset looked like on Mars in 1976. Several more Red Planet robots have since sent back a variety of views of Martian sunrises and sunsets.