Dark Matter and the Dinosaurs

Dark Matter and the Dinosaurs

The Astounding Interconnectedness of the Universe

Book - 2015
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"Sixty-six million years ago, an object the size of a city descended from space to crash into Earth, creating a devastating cataclysm that killed off the dinosaurs, along with three-quarters of the other species on the planet. What was its origin? In Dark Matter and the Dinosaurs, Lisa Randall proposes it was a comet that was dislodged from its orbit as the Solar System passed through a disk of dark matter embedded in the Milky Way. In a sense, it might have been dark matter that killed the dinosaurs. Working through the background and consequences of this proposal, Randall shares with us the latest findings--established and speculative--regarding the nature and role of dark matter and the origin of the Universe, our galaxy, our Solar System, and life, along with the process by which scientists explore new concepts. In Dark Matter and the Dinosaurs, Randall tells a breathtaking story that weaves together the cosmos' history and our own, illuminating the deep relationships that are critical to our world and the astonishing beauty inherent in the most familiar things" --
Publisher: New York, NY : Ecco, an imprint of HarperCollins Publishers, [2015]
Edition: First edition.
Copyright Date: ©2015
ISBN: 9780062328472
0062328476
Branch Call Number: 523.1 RANDALL
Characteristics: xv, 412 pages : illustrations, charts ; 24 cm

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StarGladiator
Dec 07, 2016

While my personal favorite quantum equation is ER = EPR, I'm afraid I am highly skeptical of this author's assertions - - am in full agreement with the previous commenter, SPSit.
Dark matter is the term which accounts for our present day ignorance on celestial behavior, just as dark energy is the term to account for our present day ignorance on the apparent speeding up of the expansion of the Universe - - in both cases, there is no concrete evidence, just observational suggestions. Cannot label this hard science.

s
SPSit
Jul 07, 2016

This is an interesting book. The writing is somewhat uneven as the same analogy was repeated, sometimes on the same page, which is probably the fault of the editor. I am not a physicist. I have no problem with physicists making assumptions and then using them to make models. What troubles me is that we know almost nothing of dark matter. And yet Dr. Randall or her team is trying to link dark matter to the disruption of the comet that wiped out the dinosaurs 66 million years ago - that is too, too far fetched in my view.

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