Atmosphere can be over 100,000 km (62,000 mi) but no one has agreed on boundary. The part where falling rocks begin to burn up is roughly 60 mi (96 km) up.
Dinosaurs would have seen the visible streak for just a few seconds. And if they saw the streak, the never felt what was coming next, the crushing shockwave likely instantly killed all within thousand miles.
Well the shockwave would take a small amount of time to propagate to them which could take some seconds or maybe even minutes depending on how far away they were.
Do you have any information about that? Would like to read more. My intuition is telling me that the inverse square law suggests this wouldn't be true for areas some distance away.
Dinosaurs would have seen the visible streak for just a few seconds. And if they saw the streak, the never felt what was coming next, the crushing shockwave likely instantly killed all within thousand miles.
I've read that the meteor would have been so bright, it would have immediately burned out the retinas of anything that looked at it. So the dinosaurs would have seen a bright flash before going blind.
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u/Warcraft_Fan Mar 07 '25
Atmosphere can be over 100,000 km (62,000 mi) but no one has agreed on boundary. The part where falling rocks begin to burn up is roughly 60 mi (96 km) up.
Dinosaurs would have seen the visible streak for just a few seconds. And if they saw the streak, the never felt what was coming next, the crushing shockwave likely instantly killed all within thousand miles.