An investigative podcast hosted by world-renowned literary critic and publishing insider Bethanne Patrick. Book bans are on the rise across America. With the rise of social media, book publishers are losing their power as the industry gatekeepers. More and more celebrities and influencers are publishing books with ghostwriters. Writing communities are splintering because members are at cross purposes about their mission. Missing Pages is an investigative podcast about the book publishing ind ...
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The Elephant in the Universe: 100-year search for dark matter Author: Govert Schilling Theoretical Stability and Observational Proof of Dark Matter Halos
Manage episode 504905764 series 96788
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The Elephant in the Universe: 100-year search for dark matter Author: Govert Schilling
Theoretical Stability and Observational Proof of Dark Matter Halos
Headline: Galaxies Need Invisible Halos: Ostriker and Rubin Provide Evidence
In the late 1960s, theorist Jeremiah Ostriker calculated that a flattened galaxy like the Milky Way could not remain stable without a large, spherical "halo" of unseen matter surrounding it, providing a theoretical basis for dark matter. This theoretical need was then powerfully confirmed by the observational work of American astronomer Vera Rubin and her colleague Kent Ford throughout the 1970s. Studying distant galaxies, including Andromeda, they discovered that stars on the outer edges rotated at unexpectedly high, constant velocities, rather than slowing down as predicted. This "flattening the curve" of rotational velocities offered the first concrete proof for the existence of dark matter, whose gravity was necessary to prevent galaxies from flying apart.
1958
Theoretical Stability and Observational Proof of Dark Matter Halos
Headline: Galaxies Need Invisible Halos: Ostriker and Rubin Provide Evidence
In the late 1960s, theorist Jeremiah Ostriker calculated that a flattened galaxy like the Milky Way could not remain stable without a large, spherical "halo" of unseen matter surrounding it, providing a theoretical basis for dark matter. This theoretical need was then powerfully confirmed by the observational work of American astronomer Vera Rubin and her colleague Kent Ford throughout the 1970s. Studying distant galaxies, including Andromeda, they discovered that stars on the outer edges rotated at unexpectedly high, constant velocities, rather than slowing down as predicted. This "flattening the curve" of rotational velocities offered the first concrete proof for the existence of dark matter, whose gravity was necessary to prevent galaxies from flying apart.
1958
50751 episodes
Share
Manage episode 504905764 series 96788
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The Elephant in the Universe: 100-year search for dark matter Author: Govert Schilling
Theoretical Stability and Observational Proof of Dark Matter Halos
Headline: Galaxies Need Invisible Halos: Ostriker and Rubin Provide Evidence
In the late 1960s, theorist Jeremiah Ostriker calculated that a flattened galaxy like the Milky Way could not remain stable without a large, spherical "halo" of unseen matter surrounding it, providing a theoretical basis for dark matter. This theoretical need was then powerfully confirmed by the observational work of American astronomer Vera Rubin and her colleague Kent Ford throughout the 1970s. Studying distant galaxies, including Andromeda, they discovered that stars on the outer edges rotated at unexpectedly high, constant velocities, rather than slowing down as predicted. This "flattening the curve" of rotational velocities offered the first concrete proof for the existence of dark matter, whose gravity was necessary to prevent galaxies from flying apart.
1958
Theoretical Stability and Observational Proof of Dark Matter Halos
Headline: Galaxies Need Invisible Halos: Ostriker and Rubin Provide Evidence
In the late 1960s, theorist Jeremiah Ostriker calculated that a flattened galaxy like the Milky Way could not remain stable without a large, spherical "halo" of unseen matter surrounding it, providing a theoretical basis for dark matter. This theoretical need was then powerfully confirmed by the observational work of American astronomer Vera Rubin and her colleague Kent Ford throughout the 1970s. Studying distant galaxies, including Andromeda, they discovered that stars on the outer edges rotated at unexpectedly high, constant velocities, rather than slowing down as predicted. This "flattening the curve" of rotational velocities offered the first concrete proof for the existence of dark matter, whose gravity was necessary to prevent galaxies from flying apart.
1958
50751 episodes
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Similar to The John Batchelor Show
An investigative podcast hosted by world-renowned literary critic and publishing insider Bethanne Patrick. Book bans are on the rise across America. With the rise of social media, book publishers are losing their power as the industry gatekeepers. More and more celebrities and influencers are publishing books with ghostwriters. Writing communities are splintering because members are at cross purposes about their mission. Missing Pages is an investigative podcast about the book publishing ind ...
…
continue reading
The Slate Daily feed includes new episodes from more than 30 shows in the Slate Podcast Network. You'll get thought provoking analysis, storytelling, and commentary on everything from news and politics to arts, culture, technology, and entertainment. Discover new shows you never knew you were missing.
…
continue reading
Welcome to Crimetown, a series produced by Marc Smerling and Zac Stuart-Pontier in partnership with Gimlet Media. Each season, we investigate the culture of crime in a different city. In Season 2, Crimetown heads to the heart of the Rust Belt: Detroit, Michigan. From its heyday as Motor City to its rebirth as the Brooklyn of the Midwest, Detroit’s history reflects a series of issues that strike at the heart of American identity: race, poverty, policing, loss of industry, the war on drugs, an ...
…
continue reading
Mark Levin is one of the hottest talk radio hosts in America. A prominent conservative commentator, best-selling author and constitutional scholar, Mark offers fresh takes on daily news headlines and dissects important events of the day. Heard weeknights on nearly 400 radio stations, Levin is loved in every corner of America. He cuts through the noise with his passion and intellect, often saying things others won’t. Or as Mark himself would declare: “That’s right. I said it!”
…
continue reading
The Seen and the Unseen, hosted by Amit Varma, features longform conversations that aim to give deep insights into the subjects being discussed. Timeless and bingeworthy.
…
continue reading
Tough decisions rattle us all to the core. But for our guests on One Decision— the choices they are up against can also shape history. No pressure! They take us through all of their doubts, emotions and—sometimes unexpected--consequences. A fresh take on foreign policy. Hear the former head of Mi6, Sir Richard Dearlove alongside international journalists as they analyse, interview, and discuss.
…
continue reading
Tired of the lies? Tired of the spin? Are you ready to hear the hard-hitting truth in comprehensive, conservative, principled fashion? The Ben Shapiro Show brings you all the news you need to know in the most fast moving daily program in America. Ben brutally breaks down the culture and never gives an inch! Monday thru Friday.
…
continue reading
Lyn and Chris Dawson appear to have the perfect marriage. He's a star footballer and popular high school teacher. She's a devoted wife and mother. They share a beautiful home above Sydney's northern beaches. But when Lyn goes missing, dark secrets are buried. This is no fairytale, but a sordid story of strangely close twin brothers, teenage student lovers, and probable murder. The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling ...
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continue reading
Covering politics from the far center
…
continue reading
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…
continue reading
Player FM - Podcast App
Go offline with the Player FM app!
Go offline with the Player FM app!
