tycho Brahe Johannes Kepler

Tycho Brahe
was an
important

Johannes Kepler
was a German
astronomer.

He tried to map
the plants. But the
problem was, he could not observe the planets becuase Mars didd not move in a circle. He also found out that planets actually moved in a elliptical or oval way.

astronomer.
He liked to
study stars,
He also liked
to carefully observe details
and also record information from other brilliant scientist.
Such as himself.