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A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli

A casual glance at satellite imagery revealed what geologists had missed for nearly 400 million years: evidence of an ancient cosmic collision hidden in plain sight beneath Quebec's forests.

A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli
In 2024, Quebec amateur astronomer Joël Lapointe was planning a camping trip in Quebec’s Côte-Nord region and scrolling through satellite imagery when a nearly circular pattern of ridges caught his a… [Read Full Story on Space Daily →](https://spacedaily.com/n-a-quebec-amateur-astronomer-was-scouting-a-campsite-on-google-maps-in-2024-when-he-spotted-a-25-kilometre-ring-around-lake-marsal-and-geologists-who-reached-it-by-floatplane-the-following-year-found/)