Vatican’s Celestial Eye, Seeking Not Angels but Data

MOUNT GRAHAM, Ariz. — Fauré’s “Requiem” is playing in the background, followed by the Kronos Quartet. Every so often the music is interrupted by an electromechanical arpeggio — like a jazz riff on a clarinet — as the motors guiding the telescope spin up and down. A night of galaxy gazing is about to begin [...]
