Sun

  • Printed solar cells poised for a breakthrough

    Research into alternatives to silicon solar cells is making rapid progress. Viviane Richter reports.

    In one hour the Sun sends enough energy to the Earth to power civilisation for a year – if only we could capture it. ...

    Technology February 23, 2015
  • New eye in the sky: DSCOVR to watch over Earth and Sun

    The Deep Space Climate Observatory has been launched at last. Alan Duffy reports on its historic ...

    The SpaceX Falcon 9 rocket blasts off on 11 February 2015, carrying the Deep Space Climate Observatory spacecraft tha...

    Space February 16, 2015
  • What’s behind the hole in the Sun?

    Beneath the Sun's calmly smiling face is a raging tempest. We don’t know exactly why coronal ...

    The Sun’s face on 1 January shows the coronal hole as a dark region in the south. These holes occur where the magneti...

    Space January 12, 2015
  • Flying on sunshine – a solar jet fuel

    It could revolutionise the way we power aircraft and cars.

    The “solar chemical reactor” uses sunlight to split water and carbon dioxide, producing carbon monoxide and hydrogen....

    Physics May 26, 2014
  • Why is the sky blue?

    It’s a question that only leads to more questions.

    Why is the sky blue? It is a question that, in true Sumner Miller fashion, leads to many more: What is light? What is...

    Earth Sciences August 12, 2013
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