![]() Hogan also refers to Velikovsky and catastrophism on his website, and has in fact written a book, Cradle of Saturn, based somewhat on Velikovsky's theories. ![]() Velikovsky's books are an interesting read in themselves, whether or not you are persuaded by his ideas. Immanuel Velikovsky started a firestorm of controversy by his theories of far more recent collisions, first proposed in 1950 in Worlds In Collision. Informed speculation has it that perhaps asteroidal collisions were responsible for some of the drastic climactic shifts in the distant past, perhaps a major factor in the extinction of the dinosaurs and variations in the size of the polar icecaps. ![]() There has certainly been no lack of end-of-the-world stories, some very far-fetched and others, such as Nevil Shute's classic On The Beach and this book, Lucifer's Hammer, quite believable and downright scary.Īs we spend more time in space exploration, it seems clear that the Earth as well as other bodies in the Solar System have had some serious collisions with large, heavy objects. Lucifer's Hammer - Larry Niven and Jerry Pournelle ![]()
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