dinosaur articles
When did the Chicxulub impact event that extinguished non-avian dinosaurs occur?
What is the estimated size range across of the impactor that struck the Earth?
What is the estimated diameter of the resulting Chicxulub crater structure?
What major geological boundary is the Chicxulub impact inextricably linked to?
What factor has primarily conspired to hide the vast majority of the resulting impact cavity from casual view?
Where is the Chicxulub impact structure primarily situated today?
What shape resulted from the massive collapse of the initial cavity shortly after the impact?
Which advanced geophysical techniques are used by researchers to map the buried subsurface structure?
What type of direct physical evidence found in drilled wells confirms the violence of the impact?
How does the buried crater influence modern gravity maps?
Where is the modern town of Chicxulub geographically situated relative to the impact structure?
Why is the impact structure not comparable to the exposed Meteor Crater in Arizona?
What was the estimated diameter of the object that caused the Chicxulub impact 66 million years ago?
Into which modern geographical region did the Chicxulub impactor plunge?
What immediate phenomenon, following the initial blast, created intense thermal pulses globally?
What proved to be the most lethal long-term threat to the established dinosaurs after the impact?
Which characteristic was shared by the life forms that succeeded at the K-Pg boundary, such as small mammals and birds?
What primary food source allowed early mammalian ancestors to survive the ecosystem collapse?
What metabolic characteristic made large dinosaurs highly vulnerable when the ecosystem collapsed?
What combination of factors makes modern Homo sapiens acutely dependent on a stable environment?
Why do massive urban centers pose an immediate risk to humanity following an agricultural collapse?