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Remarkable Webb Telescope Find: Mysterious Dust Clouds on an Alien World
SciTechDaily· 2 days agoScientists used the James Webb Telescope to study WASP-43b, finding high-altitude clouds and large temperature differences between its day and night sides. Their findings provide insights into ...
Why did railroads use train orders? - Trains
Trains.com· 2 days agoIf you’ve read Model Railroader or many of our books and special issues, you’ve probably seen references to timetable-and-train-order operation, or TTTO...