because usually people had an easier time going on estalished trail like the silk road it was dangerous but they used it up until the 15th century and it takes longer to make a new trail
One of tycho brahe's major contributions to astronomy was to prove that A comet was outside of Earths atmosphere.
One of tycho brahe's major contributions to astronomy was to prove that A Supernova was much farther away than the planets.
These are his two contributions
