Comet distances

Distance to comets proven to be far beyond previous notions. Greeks thought comets were atmospheric phenomenon (!), but Tycho saw no parallax in the comet’s trajectory, proving it was far.
 Tycho Brahe Denmark 1577 Comet distances

Distance to comets proven to be far beyond previous notions. Greeks thought comets were atmospheric phenomenon (!), but Tycho saw no parallax in the comet’s trajectory, proving it was far.