Advertisement

Advertisement

Alvarez hypothesis

  1. The theory that the mass extinction that involved the dinosaurs and many other living things was caused by the impact of a large asteroid on the Earth sixty-five million years ago.


Discover More

Notes

The hypothesis is named after the father-and-son team of scientists Luis and Walter Alvarez, who first suggested it.
Evidence indicates that the asteroid fell in the Yucatan peninsula .

Advertisement

Word of the Day

tortuous

[tawr-choo-uhs ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement