In June this year, the Hubble telescope helped solve one of the biggest cosmology problems - how and why galaxies are created. It revealed the existence of supermassive black holes in every galaxy so far observed, including the Milky Way. Scientists are starting to believe that these supermassive black holes help trigger the birth of galaxies and so lie at the heart of the creation of stars, planets and life itself.
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Websites on black holes - Webwatch: page 55