A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

New answers tagged


There is a recent paper(open access) that i assume the news item refers to. That paper does not mention 430m. They use a magnetic anomaly to extrapolate the original crater size from the eroded central uplift. The crater itself is long since eroded. Therefore, the ~20 km diameter magnetic anomaly has been interpreted to represent the remnant of the ...


Although not exactly a textbook, I would highly recommend you to read Marcia Bjornerud's Timefulness (2018). It goes through all of Earth's history, including the atmosphere. It's short and kind of poetic, but backed by solid science. Her previous book, Reading the Rocks, seems somewhat similar (it's subtitle is The Autobiography of the Earth), but I did not ...

Top 50 recent answers are included