After several thousand years spent looking up and contemplating the nature of the cosmos, as well as what’s for dinner, we humans have amassed a lot of knowledge. We know the precise age of the Earth and the universe. We know how life sends copies of itself into the future. We know, with amazing accuracy, […]
lunar exploration
Saturday, March 31, was kind of a big day for the moon. It was full for the second time this month, making it a blue moon — the second of 2018. It was also the first full moon after the spring equinox, what’s known as the Paschal moon. The first Sunday after such a moon […]