Astronomers discovering other worlds | Jo Dunkley

Astronomers discovering other worlds | Jo Dunkley

Astronomers have long thought that other stars likely had their own planets around them, but they just didn't know whether they were there, because planets are incredibly hard to see.

About Jo Dunkley "​​​​​​I am the Joseph Henry Professor of Physics ​and Astrophysical Sciences at Princeton University. I am a 2015 Philip Leverhulme Prize Winner. ​My research is in cosmology, studying the origins and evolution of the Universe. My major projects are the Atacama Cosmology Telescope and the Simons Observatory. I have been the analysis leader for ACT for the past few years, and am currently the Spokesperson of the Simons Observatory. I am a Fellow of the Royal Society."

Key Points • Most exoplanets are detected through a star’s slight wobble or brief dimming during transit, yielding thousands of confirmed worlds. • Citizen scientists have helped uncover additional planets by analyzing publicly released telescope data. • The Milky Way’s immense population of stars, each potentially hosting a plethora planets, makes extraterrestrial life statistically plausible, even if unlikely. • Dark energy currently drives faster cosmic expansion, yet its unknown nature means a future collapse cannot be dismissed.

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Avsnitt(100)

The resurgence of civic duties | Simon Reid-Henry

The resurgence of civic duties | Simon Reid-Henry

Civic duties are essentially the ways in which citizens agree to abide by the rules and to contribute to the life of a national society. About Simon Reid-Henry "I am a research professor at the Peace ...

16 Mars 14min

What is "prejudice" ? | Jessie Munton

What is "prejudice" ? | Jessie Munton

I think prejudice is best conceptualized as a phenomenon that can be supported by a whole range of mental states that will include beliefs, habits, emotions, and also attentional dispositions. About J...

12 Mars 16min

Global Public Investment | Simon Reid-Henry

Global Public Investment | Simon Reid-Henry

The world today is overburdened with challenges that supersede the boundaries of nation states, and therefore of national governments, to address on their own. About Simon Reid-Henry "I am a research ...

9 Mars 18min

On ignorance and forgetting | Jessie Munton

On ignorance and forgetting | Jessie Munton

I'm interested in the beliefs that we're not forming, the evidence that we're not attending to or using, the belief states that perhaps we form. What I think of as negative epistemology is the project...

5 Mars 19min

The empire of democracy | Simon Reid-Henry

The empire of democracy | Simon Reid-Henry

"How do we understand, as it were, our era of democracy, which I argue began really as recently as the 1970s from previous eras, and what is it that is fundamentally at the core of the democracy we li...

2 Mars 19min

The life of the mind | Jessie Munton

The life of the mind | Jessie Munton

On the one hand, we have that sense of really close identification with our minds. On the other hand, we're often surprised at the ways in which they operate. About Jessie Munton "​​I'm an Associate P...

26 Feb 19min

Volcanoes and the origins of life | Tamsin Mather

Volcanoes and the origins of life | Tamsin Mather

We don't really understand how life got going on this planet. There are various candidates for where the first molecules of life might have evolved, and some of those candidates are deeply volcanic. A...

23 Feb 18min

The origin myth of the modern West | Naoíse Mac Sweeney

The origin myth of the modern West | Naoíse Mac Sweeney

We in the modern West still look back to ancient Greece as our imagined origin. We're still obsessed with ancient Greece. About Naoise Mac Sweeney  "I'm Professor of Greek Archaeology at the Universit...

19 Feb 14min

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