➡️ Watch the full episode: https://youtu.be/hJrkZi7jz5o
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-~-~~-~~~-~~-~-
Please watch: ""I understand Quantum Mechanics after this discovery!" Stephen Wolfram"
https://www.youtube.com/watch?v=c-RO3vM10Ok
-~-~~-~~~-~~-~-
...
https://www.youtube.com/watch?v=liNdi2voW8M
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Why Michio Kaku and Eric Weinstein should have a hot intellectual debate (ideally in my podcast) about things that can’t be proven … and seem to have no purpose at all.
I shared my thoughts on this in the Julian Dorey Podcast.
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...
https://www.youtube.com/watch?v=lB5XwPlVESs
The European Southern Observatory (ESO) just released groundbreaking new Milky Way results from the Event Horizon Telescope Collaboration (EHT).
Astronomers have unveiled the first image of the supermassive black hole at the center of our own Milky Way galaxy. This result provides overwhelming evidence that the object is indeed a black hole and yields valuable clues about the workings of such giants, which are thought to reside at the center of most galaxies. The image was produced by a global research team called the Event Horizon Telescope (EHT) Collaboration, using observations from a worldwide network of radio telescopes.
The image is a long-anticipated look at the massive object that sits at the very center of our galaxy. Scientists had previously seen stars orbiting around something invisible, compact, and very massive at the center of the Milky Way. This strongly suggested that this object—known as Sagittarius A* (Sgr A*, pronounced "sadge-ay-star")—is a black hole, and today’s image provides the first direct visual evidence of it.
Although we cannot see the black hole itself, because it is completely dark, glowing gas around it reveals a telltale signature: a dark central region (called a “shadow”) surrounded by a bright ring-like structure. The new view captures light bent by the powerful gravity of the black hole, which is four million times more massive than our Sun.
"We were stunned by how well the size of the ring agreed with predictions from Einstein’s Theory of General Relativity," said EHT Project Scientist Geoffrey Bower from the Institute of Astronomy and Astrophysics, Academia Sinica, Taipei. "These unprecedented observations have greatly improved our understanding of what happens at the very centre of our galaxy, and offer new insights on how these giant black holes interact with their surroundings." The EHT team's results are being published today in a special issue of The Astrophysical Journal Letters.
You can watch the press conference on ESO's YouTube channel https://youtu.be/rIQLA6lo6R0 and watch my breakdown of everything you need to know!
Then, join me for a live chat with Dr. Shep Doeleman at 9a PT | 12p ET Thursday 12 May 2022 right here on this channel! #blackhole #eventhorizontelescope #milkyway
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...
https://www.youtube.com/watch?v=FvGInn1efR8
➡️ Watch the full episode: https://youtu.be/rqMQiR0kMoo
—
Additional resources:
? The Early Universe by Michael Turner and Edward Kolb: https://a.co/d/2HkzzzK
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...
https://www.youtube.com/watch?v=R1KM1INLyOc
#HubbleTension #HubbleConstant #darkenergy
Adam Riess is a renowned astrophysicist recognized for his groundbreaking research on the expansion of the universe with the 2011 Nobel Prize in physics Through extensive measurements and collaborations with other scientists, Riess discovered an intriguing tension in the size of the universe's expansion, which has steadily grown over the past decade. These results, reaching a significant level of more than 5 sigma, revealed an unexpected phenomenon: the rate of the universe's expansion seems to differ based on whether one starts from the beginning shortly after the big bang or from the present. This unexpected autonomy in the expansion challenged the traditional cosmological model, which tells the story of the universe's evolution from its inception to its current state. Riess's research has generated suspicion among many scientists, leading them to question whether the cosmological model itself needs revision. In his pursuit of unraveling the mysteries of the universe, Riess reminds us that advanced technology may often be mistaken for something magical.
On this episode of INTO THE IMPOSSIBLE Riess explores the challenges of measuring distances in the universe and the discrepancies between measurements of the expansion rate of the universe first observed by Edwin Hubble namesake of The Hubble Constant, a pillar of cosmology. From the use of parallax (dating back to ancient Greece) to the use of Cepheid variables and Type 1a supernovae, Riess takes listeners on a journey through the cosmic distance ladder and the problem of the variation in the measurement of the Hubble constant known as the Hubble Tension. The possible role of dark energy is discussed, opening up new avenues for scientific investigation. Riess shares insights into the concept of the cosmological principle, and how it is challenged by the Hubble Tension.
The conversation touches on peak experiences, the awe-inspiring encounters with nature that trigger moments of gratitude and curiosity, and the importance of sustaining these feelings in scientific exploration.
Riess highlights the empirical nature of observational cosmology and the need for continued data collection and refining of models. Black holes, gravitational lensing, and Adam’s motivations to pursue precision science are discussed.
[00:00:59] Adam Riess proved Einstein wrong.
[00:07:21] Struggling with experiment results, seeking the truth.
[00:10:22] How to measure the expansion rate of the Universe.
[00:18:11] Peak experiences evoke awe and gratitude. Scientists may become desensitized to these feelings. Can curiosity be cultivated and sustained?
[00:22:11] Astroscientist praises author's writing in web paper.
[00:23:34] Measuring distances in the universe using parallax.
[00:29:21] Observational cosmology relies on empirical calibration tools and training sets to measure the properties of celestial objects.
[00:32:46] In 1998, distant supernovae showed the universe's acceleration. Researchers now use the James Webb Space Telescope to study cepheid variables, but The Hubble tension persists.
[00:38:21] Claims made by Subir Sarkar suggest a revision of the cosmological principle and challenge the consensus on dark energy.
[00:43:42] Looking at distant objects confirms Einstein's theory of general relativity through observations of gravitational lensing.
[00:51:19] James Webb Telescope surprised astronomers with galaxies that are older than expected.
[00:54:42], Theoretical implications of the Hubble Tension measurements
Other Episode with Adam Reiss: https://youtu.be/WZUqzHRuzhA
The Paper:
An updated measurement of the Hubble constant from near-infrared observations of Type
https://arxiv.org/abs/2209.02546
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...
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Today, Avi Loeb and I talk about the hottest topics in astronomy! We discuss interstellar travel, the Galileo Project expedition to the Pacific Ocean to retrieve spherules of the first recognized interstellar meteor, IM1, and alien life.
Avi is a professor of science at Harvard University, theoretical physicist, astrophysicist, and cosmologist. He is also a bestselling author and a dear friend of mine. Tune in!
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...
https://www.youtube.com/watch?v=O3Q5KzN9NFg
Peter Diamandis is the co-author of the best-selling book "Abundance: The Future is Better Than You Think" and a speaker, engineer, physician and entrepreneur best known for being the founder and chairman of the X PRIZE Foundation and the co-founder and chairman of Singularity University.
In this episode, Peter and Brian discuss asteroids, multiverses, and how Al will impact the universe. Brian Keating is a renowned astrophysicist, cosmologist, inventor, and author. He is a professor at the University of California, San Diego and director of the Arthur C. Clarke Center for the Human Imagination.
Keating's groundbreaking research on cosmic microwave background radiation has earned him prestigious awards, and his book "Losing the Nobel Prize" has received critical acclaim. Visit his website: https://briankeating.com/
Please subscribe to Peter’s YouTube channel
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#peterdiamandis #artificialintelligence #podcast #briankeating #intotheimpossible #science #astronomy #cosmology #drbriankeating #ProfessorBrianKeating
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Sir Roger Penrose: https://youtu.be/AMuqyAvX7Wo
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...
https://www.youtube.com/watch?v=nzy4jVOPC6E
Watch the Jordan Peterson Podcast episode: https://www.youtube.com/watch?v=o392_NrdflY
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Sir Roger Penrose: https://youtu.be/AMuqyAvX7Wo
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...
https://www.youtube.com/watch?v=VAr7oCOBMq4