Amateur Astronomer Discovers 400-Million-Year-Old Impact Crater in Quebec

In 2024, a Quebec amateur astronomer identified a 25-kilometre ring around Lake Marsal using satellite imagery, revealing evidence of an ancient cosmic collision. This discovery, confirmed by geologists who reached the site by floatplane, uncovers a geological feature that had been overlooked for nearly 400 million years beneath Quebec's forests.

Originally published by gnews