Rainbow Book of Genesis chapter 9, as part of the flood story of Noah, where it is a sign of God's covenant to never destroy all life on earth with a global flood again. In Norse mythology, the rainbow bridge Bifröst connects the world of men (Midgard) and the realm of the gods (Asgard). Cuchavira was the god of the rainbow for the Muisca in present-day Colombia and when the regular rains on the Bogotá savanna were over, the people thanked him offering gold, snails and small emeralds. The Irish leprechaun's secret hiding place for his pot of gold is usually
The Gold at the Starbow's End title is a word coined by one of the characters on the starship. It refers to the rainbow-like effect seen when stars are undergoing a relativistic Doppler effect. In the novel the crew of the "Constitution" exact revenge on Earth by sending a beam of "strange" particles back to the home planet, causing all nuclear materials to melt down harmlessly, reducing the population to poverty in the absence of nuclear power. The last section relates the events surrounding the return of the crew's children to Earth. Shortly after its original appearance in "Analog Science Fiction/Science Fact", "The Gold at the