We've never gotten a rock back from a peak ring to know if that's correct. Sean Gulick More Quotes by Sean Gulick More Quotes From Sean Gulick We fried them and then we froze them, not all the dinosaurs died that day, but many dinosaurs did. Sean Gulick science The Chicxulub impact crater has been a remarkable scientific opportunity for the 20 years since it's been discovered. Sean Gulick latest-headlines We think the peak ring is the record of the material that rebounded and splashed outward. Sean Gulick latest-headlines We don't understand that process. Sean Gulick latest-headlines
