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
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
The brief
"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" is generating significant coverage in the Science category, with 5 articles from 4 distinct sources tracked by PULSE so far.
Outlets currently covering the story include inkorr.com, The Economic Times, ScienceDaily and Space Daily. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.
This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.
Generated by PULSE's extractive engine from coverage metadata only — no AI-written claims. Updated 42d ago.
Quick answers
Why is "A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2" trending?
Because 4 independent news sources published 5 articles about it in a short window — a coverage burst PULSE classifies as a trend.
How does PULSE measure this trend?
PULSE scores velocity from the rate of new articles weighted by source diversity, snapshotted hourly. The full method is public on our methodology page.
Is this trend still active?
The status badge on this page updates hourly: rising, peaking, cooling, or archived once coverage stops for 48 hours.
Coverage (5)
- Quebec Province Yields Largest Meteorite Impact Crater Found in Five Years inkorr.com · 46d ago
- A satellite map revealed a mysterious giant circle that was hiding in Canada for 390 million years. One am The Economic Times · 46d ago
- A strange circle on satellite maps turned out to be a 390-million-year-old impact crater ScienceDaily · 46d ago
- A strange circle on satellite maps turned out to be a 390-million-year-old impact crater ScienceDaily · 46d ago
- 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 Space Daily · 46d ago
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