- 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.
- United States Department of Energy (Wikipedia)
The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and energy production, the research and development of nuclear power, the military’s nuclear weapons program, nuclear reactor production for the United States Navy, energy-related research, and energy conservation.