Earlier today, I posted a photograph of uncertain provenance showing Nova Scotia as seen from the International Space Station at night, and wondered out loud where it had come from. The estimable Bethany Horne of Halifax Open File pointed us to this Reddit post, and thence to this collection of NASA astronaut videography, where we tracked down the amazing sequence from which our image — a screenshot, as it turns out — was clipped. Check out this gorgeous time-lapse video from the space station's January 29 pass up the East Coast of North America, starting at the southern edge of the Gulf of...