Celebrating 450 years of supernovae since Tycho Brahe

Tycho Brahe discovered the “new star” in Cassiopeia November 1572 as described by himself in De Nova Stella in May 1573. Brahe observed the object closely for the following nights, weeks, months and few years as its brilliance faded and it disappeared. He continuously noted its position and brightness, so that today we may know exactly where and for what to look in the sky.
Now his book has been republished in facsimile and translated into modern Danish in its entirety for the first time ever – 450 years after the supernova that he saw! Brahe’s observation was a landmark event in the history of science, which, together with Tycho Brahe’s other work, was of great importance for the understanding of the importance of precision and instrument development, and not least for the subsequent revolution of the scientific worldview. That’s why we are marking the 450th anniversary of Tycho Brahe’s discovery with the reissue and translation of his book, an exhibition, public talks and several other activities.