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...

A view of Nova Scotia, New Brunswick, and parts of Maine and Quebec, taken from the International Space Station. Click the image for a larger version. The bright spot at the left side is Montreal Quebec City;* that on the middle right is Halifax. Other bright spots include (left to right) Bangor, Saint John, Moncton, and Charlottetown. Close inspection reveals Truro, New Glasgow, Antigonish, Port Hawkesbury, and Sydney. The St. Lawrence River appears as a string of lights heading northeast from Montreal, and the Gaspe Peninsula is outlined in light. I believe the aurora borealis accounts for the greenish hue on the horizon. A...