Solar Wind

Melvyn Bragg and guests discuss the evolution of lungs and of the first breaths, which can be traced back 400 million years to when animal life spread from rock pools and swamps onto land, as some fish found an evolutionary advantage in getting their oxygen from air rather than w ...  Show more

Melvyn Bragg and guests discuss the decisive role of one of the great 20th Century physicists in solving the question of nuclear fission. It is said that Meitner (1878-1968) made this breakthrough over Christmas 1938 while she was sitting on a log in Sweden during a snowy walk wi ...  Show more

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The sun is currently ramping up to hit the peak of its 11-year activity cycle. In the past few days, powerful solar eruptions have sent a stream of particles towards Earth which are set to produce spectacular auroras in both hemispheres. But these kinds of geomagnetic storms can ...  Show more

(00:00:00) Decelerating Cosmos and Solar Secrets: Unravelling Dark Energy and the Sun's Magnetic Dance (00:00:45) More confirmation that the Universe's expansion is slowing (00:08:53) First glimpse of the Sun’s polar magnetic field in motion (00:14:09) Space Weather events rampin ...  Show more

On December 24, NASA’s Parker Solar Probe will make the closest-ever approach to the sun by a spacecraft. Parker has made more t ...