PolicyTuesday, September 22, 2026ScienceDaily
A strange circle on satellite maps turned out to be a 390-million-year-old impact crater
An amateur astronomer discovered a 390-million-year-old impact crater in Quebec while reviewing satellite maps for a camping location. The crater, measuring 25 kilometers in diameter, was confirmed by scientists through the identification of shatter cones, providing valuable insights into Earth's geological history. This finding underscores the importance of satellite imaging in geological research.


