8/8: The Elephant in the Universe: Our Hundred-Year Search for Dark Matter by Govert Schilling (Author), Avi Loeb (Foreword)
The John Batchelor Show
John Batchelor
4.5 • 2.8K Ratings
🗓️ 30 December 2022
⏱️ 12 minutes
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Summary
Dark Matter?
@Batchelorshow
8/8: The Elephant in the Universe: Our Hundred-Year Search for Dark Matter by Govert Schilling (Author), Avi Loeb (Foreword)
https://www.amazon.com/Elephant-Universe-Hundred-Year-Search-Matter/dp/0674248996
In The Elephant in the Universe, Govert Schilling explores the fascinating history of the search for dark matter. Evidence for its existence comes from a wealth of astronomical observations. Theories and computer simulations of the evolution of the universe are also suggestive: they can be reconciled with astronomical measurements only if dark matter is a dominant component of nature. Physicists have devised huge, sensitive instruments to search for dark matter, which may be unlike anything else in the cosmos―some unknown elementary particle. Yet so far dark matter has escaped every experiment. Indeed, dark matter is so elusive that some scientists are beginning to suspect there might be something wrong with our theories about gravity or with the current paradigms of cosmology. Schilling interviews both believers and heretics and paints a colorful picture of the history and current status of dark matter research, with astronomers and physicists alike trying to make sense of theory and observation.
Transcript
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| 0:24.5 | Oh bugging. |
| 0:25.7 | Comparachannel4.com-sash-barified. |
| 0:33.2 | I'm John Natchez with Gov. Schilling. His wonderful new book, The Elephant in the Universe, |
| 0:37.7 | is the frontier of thinking about dark matter, dark energy and our universe. |
| 0:43.0 | 100-year search. Right now, however, the searching to heavens, a searching particle physics, |
| 0:48.7 | they're in minds waiting for collisions and we come to a-o an exception. |
| 0:54.1 | They've found a galaxy without cold dark matter. |
| 0:58.1 | They found several of them in fact and that worries everybody. |
| 1:02.5 | Or the quote, DF-44, that's the name of the galaxy. |
| 1:06.8 | They call it the Dragonfly Galaxy, is a problem for everybody. |
| 1:10.1 | Is it a problem for Mondt too? |
| 1:11.6 | It is a problem for Mondt too because Mondt is this alternative theory that tries to explain dark matter |
| 1:19.2 | not by introducing a new particle but by assuming that our theory of gravity is wrong. |
| 1:25.1 | Now, if Mondt is correct, then we should see the effects of Mondt in each and every galaxy |
| 1:31.4 | because they don't assume that there is dark matter, they just assume there are stars and |
| 1:36.3 | and gas clouds with a different gravity than we are used to think of. |
| 1:40.3 | So according to Mondt, each and every galaxy should show these effects of |
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