Radio and Podcasts


illustration of Comet Bernadinelli-Berstein in the outer solar system

Pythagorean Astronomy: Herding Megacomets

Posted on 29 July 2021 by Chris North

In late June an interesting object was discovered heading inwards from the outer solar system, identified in archival images from a survey of the sky. It was initially thought to be worth keeping an eye on over the next decade or so, as it approaches the orbit of Saturn before heading back out to the
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3D model of LiteBIRD satellite in front of an image of stars, galaxies and the CMB

Pythagorean Astronomy: Cosmic Developments

Posted on 1 July 2021 by Chris North

Our understand of the Universe has changed a great deal in the last 100 years. From Einstein’s theories of relativity and measurements of the expanding Universe, to the discovery of the Cosmic Microwave Background and the mysterious Dark Energy. But what are the current mysteries and unknowns that we still want to uncover? And how
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Pythagorean Astronomy: Mass Gaps and Radio Bursts

Posted on 2 July 2020 by Chris North

Science news stories normally revolve around something new that’s been learned, or some question that’s been answered. But sometimes, and these are often the most interesting times, there’s an observation or discovery that raises a whole new set of questions – and the mystery deepens. This month we discuss two such discoveries. First of all,
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Pythagorean Astronomy: SmallSpark

Posted on 5 June 2020 by Chris North

Amid the turmoil of not only coronavirus, but also anti-racism protests across the US and now internationally, it’s been a notable month for spaceflight. At the end of May, SpaceX launched their first crewed Dragon capsule, which became the first private vehicle to dock with the International Space Station. But the private space sector is
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Pythagorean Astronomy: Hubble at 30

Posted on 1 May 2020 by Chris North

The Hubble Space Telescope is 30 years old – something that even its most enthusiastic supporters couldn’t have dreamt of when it launched in 1990. With the help of a host of astronomers and space scientists, Chris North explores the history of the mission and the revolutionary discoveries that have been made. Prof Anu Ojha
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