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Author Archives: Stephen Eales

What next for cosmology?

In recent decades, new technologies have revolutionised our understanding of the origins and nature of the universe. And now the big remaining questions—on dark matter and the universe's accelerating expansion—are turning cosmology into Big Science
Stephen Eales  

The fallen planet

Last year, the solar system was officially reduced to eight planets when Pluto was demoted by the International Astronomical Union. Here a member of the IAU explains why and how the decision was made
Stephen Eales