Tycho Brahe (1546-1603) was a pioneering Danish astronomy instruments enthusiast in the decades before the telescope was used for peering at the sky. Aside from that and a big supernova discovery ...

And yet, there was a time when there were no telescopes when astronomical observations were still being done… Danish astronomer Tycho Brahe is best known for measuring and fixing the positions ...

Fortunately for Kepler, he found an opportunity to work as the assistant of renowned Danish astronomer Tycho Brahe and so moved with his family to Prague (now in Czech Republic). Having built an ...