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Tag: Expanding Universe

Gresham College: The Accelerating Universe – Professor Joseph Silk

The universe was static, that was the credo of all scientists and philosophers until three decades into the twentieth century when the expansion was discovered. Three-quarters of a century later, the notion of a simple expansion of the universe was found to be wrong: the universe is accelerating. One implication is that before 2000, we …

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GreshamCollege: The Expanding Universe – Professor Joseph Silk

Professor Joseph Silk FRS embarks on an illustrious journey through the universe to explain the paradigm shift in todays scientific view on the physical expansion of space. It was once inconceivable that the universe could be expanding. The static universe survived three thousand years of analysis and observation, to become enshrined as a cosmological solution …

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PBS Space Time: What Happens At The Edge Of The Universe?

Lots of people believe the Universe is infinite, but there’s a good possibility that might not be the case. Which means that there would be an actual edge of the Universe. What happens at that edge? Is there a restaurant? Join Matt on this week’s episode of Space Time as he explores the greatest expanses …

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AMNH: Science Bulletins | The Expanding Universe

In 1998, astrophysicists discovered a baffling phenomenon: the Universe is expanding at an ever-faster rate. Either an enigmatic force called dark energy is to blameor a reworking of gravitational theory is in order. In this new Science Bulletins video, watch a Fermilab team assemble the Dark Energy Camera, a device that could finally solve this …

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Beakus: How Big Is The Universe?

In ‘How Big Is The Universe?’ ROG astronomer Liz shows us the expanding nature of the Universe and how this affects the light reaching us from distant galaxies, some of which will remain forever hidden from our view.  

Alex Filippenko: The accelerating expansion of the Universe

Alex Filippenko received his Ph.D. in astronomy from Caltech in 1984 and joined the University of California, Berkeley faculty in 1986, where he is currently the Richard and Rhoda Goldman Distinguished Professor in the Physical Sciences

Brian Schmidt: The Expanding Universe

The University of Western Australia presents Nobel Laureate Professor Brian Schmidt who in this talk will describe the discovery that won him and his team the 2011 Nobel Prize in Physics. He will explain how astronomers have used observations to trace the Universe’s history back more than 13 billion years, leading them to ponder the …

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Mapping the Unknown, Part 2: Adam Riess and the Expanding Universe

Adam Riess received the 2011 Nobel Prize in physics for discovering the accelerating expansion of the universe, and here talks about how this phenomenon is widely attributed to the elusive concept of dark energy.