Page:Tycho brahe.djvu/221

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FURTHER WORK ON THE STAR OF 1572.
197

built their glorious edifice, and the star of Cassiopea started astronomical science on the brilliant career which it has pursued ever since, and swept away the mist that obscured the true system of the world. As Kepler truly said, "If that star did nothing else, at least it announced and produced a great astronomer."[1]

  1. "Certe si nihil aliud stella illa, magnum equidem astronomum significavit et progenuit." The last words in Kepler's Appendix to the Progymnasmata.