“A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet. One of the great revelations of the age of space exploration is the image of the earth finite and lonely, somehow vulnerable, bearing the entire human species through the oceans of space and time.”
an astronaut, especially a Russian or Soviet one; a person engaged in or trained for spaceflight; space explorer.
Etymology: from the Russian космонавт (kosmonávt), from Ancient Greek κόσμος (kosmos, “universe”) + ναύτης (nautēs, “sailor”).
The Equation of Time: Clocks Vs Sundials
A few centuries ago, the arbiter of “local noon” wasn’t the mechanical clock, it was the sundial. The pseudoscientific-sounding “equation of time” is how you convert between the two — and perhaps not the way you’d expect.