TYWKIWDBI ("Tai-Wiki-Widbee")

"Things You Wouldn't Know If We Didn't Blog Intermittently."

21 October 2022

The size of the Chicxulub asteroid

Manhattan for scale. Longread at Wikipedia.

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Minnesotastan: I'm using an old photo of my grandfather as an avatar; he would have been amused. Readers - especially old friends, classmates, students, former colleagues, and long-lost relatives - are welcome to email me via retag4726 (at) mypacks.net

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