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The Herschel-Planck Launch

A giant infrared laboratory and a hard look at the dawn of time - and The Open University was involved in both ESA missions. As the Herschel telescope mission reaches its end, take a look back at how...

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What is evolution?

Stephen Serjeant explains that survival of the fittest is about reproduction more than strength Prof. Stephen Serjeant.First published on Mon, 27 Jul 2009 as What is evolution?. To find out more visit...

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Passing through unseen: An introduction to dark matter

Get to grips with dark matter - and find out why actually getting to grips with dark matter is impossible Prof. Stephen Serjeant.First published on Mon, 21 Sep 2009 as Passing through unseen: An...

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Pedals and power

Stephen Serjeant reveals all: did the pedal-powered power station experiment work? Prof. Stephen Serjeant.First published on Thu, 03 Dec 2009 as Pedals and power. To find out more visit The Open...

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Crowd Pressure: Confused by the terms used in the programme?

Spot the unusual terminology in Bang's 'Crowd Pressure' episode? Stephen Serjeant and Ian Johnston explain how scientists sometimes abbreviate units when talking to each other Prof. Stephen...

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Sir Bernard Lovell: An appreciation

Sir Bernard Lovell died on August 7th, 2012. Stephen Serjeant celebrates his contribution to science - and to the war effort. Prof. Stephen Serjeant.First published on Tue, 07 Aug 2012 as Sir Bernard...

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Dark energy

Matter tells space how to curve, and space tells matter how to move. But what does it mean to equate the curvature of the Universe with the amount of stuff in the Universe? Prof. Stephen Serjeant.First...

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Dark matter

Zwicky spotted that galaxies in clusters are whizzing round too fast, which could only be explained if there were a bigger gravitational tug on them. That bigger tug comes from dark matter Prof....

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Event horizons

How fast can distant galaxies recede from us? Faster than the speed of light, it turns out! Prof. Stephen Serjeant.First published on Thu, 07 Feb 2013 as Event horizons . To find out more visit The...

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Why do we need a Large Hadron Collider?

If particle collisions like the ones in the LHC (Large Hadron Collider) are happening all the time, then why do we need to build the LHC? Prof. Stephen Serjeant.First published on Mon, 11 Feb 2013 as...

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Dark matter, dark energy and the sound of the Big Bang

Just how big a bang was it? What ancient sound waves can tell us about dark matter and energy. Prof. Stephen Serjeant.First published on Mon, 11 Nov 2013 as Dark matter, dark energy and the sound of...

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Doctor Who: What would aliens really look like?

When it comes to aliens, are the makers of Doctor Who really lacking imagination? Prof. Stephen Serjeant.First published on Thu, 14 Nov 2013 as Doctor Who: What would aliens really look like?. To find...

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Why does it matter that the Sun's core rotates faster than the surface?

New research has found that the Sun spins at different speeds. Stephen Serjeant explains why that's important. Prof. Stephen Serjeant.First published on Fri, 25 Aug 2017 as Why does it matter that the...

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Citizen science and the data avalanche

What crowdsourcing projects can people get involved in? Professor Stephen Serjeant digs into some incredible astronomy and particle physics citizen science. Prof. Stephen Serjeant.First published on...

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60 Second Adventures in Artificial Intelligence

How does Artificial Intelligence (AI) work? How is AI used in science? All is explained these short animations narrated by David Mitchell.  Prof. Stephen Serjeant.First published on Wed, 23 Jun 2021 as...

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