Why Some Cosmic Impacts Leave Craters and Others Don’t
August 23, 2025
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1:13Now PlayingWhy Some Cosmic Impacts Leave Craters and Others Don’t
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as posted by the channelHere’s the big difference:
An iron asteroid (like the one that formed Meteor Crater in Arizona) is dense enough to punch through Earth’s atmosphere and hit the ground.
A comet fragment or low-density body (like Tunguska in 1908) explodes mid-air—flattening 80 million trees, but leaving no crater at all.
That means atmospheric blasts are far more common than the craters we can count.
Most impacts never leave a scar on the surface… but they can still unleash destruction.
#Tunguska #AsteroidImpact #CosmicEvents #SpaceExplained #EarthHistory #RandallCarlson
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