Tycho Brahe was Danish, he spent most of his life observing the stars and in the late 1500s, he charted the positions of more than 750 stars. How Tycho did it, however, was more important than what he did. Tycho increased the importance of careful observation and detailed accurate records. Carefully recording information is important so other scientists can use what has already been learned. In that way, Tycho made an important contribution to modern science. While Tycho was mapping the stars, he was assisted by the German astronomer Johannes Kepler. Tycho was born December 14, 1546, in Knutstorp Castle, Sweden, and he died October 24, 1601, in Prague, Czech Republic. Tycho discovered a new star in the Cassiopeia formation and found irregularities
