Haven’t read this yet but it’s my gift to the GAACsters. Explore this gift article from The New York Times. You can read it for free without a subscription. https://www.nytimes.com/2024/09/20/science/earth-rings-asteroids-ordovician.html?unlocked_article_code=1.ME4.4YQA.1hWUavrIvE12&smid=nytcore-ios-share&referringSource=articleShare John F. Sommerstein Sent from my iPhone