The Sun
In Our Time10 Heinä 2014

The Sun

Melvyn Bragg and his guests discuss the Sun. The object that gives the Earth its light and heat is a massive ball of gas and plasma 93 million miles away. Thanks to the nuclear fusion reactions taking place at its core, the Sun has been shining for four and a half billion years. Its structure, and the processes that keep it burning, have fascinated astronomers for centuries. After the invention of the telescope it became apparent that the Sun is not a placid, steadily shining body but is subject to periodic changes in its appearance and eruptions of dramatic violence, some of which can affect us here on Earth. Recent space missions have revealed fascinating new insights into our nearest star.

With:

Carolin Crawford Gresham Professor of Astronomy and Fellow of Emmanuel College, Cambridge

Yvonne Elsworth Poynting Professor of Physics at the University of Birmingham

Louise Harra Professor of Solar Physics at UCL Mullard Space Science Laboratory

Producer: Thomas Morris.

Jaksot(1078)

Typology

Typology

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The Battle of Clontarf

The Battle of Clontarf

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8 Touko 202551min

The Gracchi

The Gracchi

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1 Touko 202549min

Maurice Merleau-Ponty

Maurice Merleau-Ponty

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24 Huhti 202559min

Thomas Middleton

Thomas Middleton

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17 Huhti 202556min

Cyrus the Great

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10 Huhti 202550min

Pollination

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3 Huhti 202550min

Kali

Kali

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27 Maalis 202557min

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