The correct option is Tycho Brahe.
Johannes kepler started his astronomy career as an assistant to "Tycho Brahe."
Who was Johannes kepler?
Johannes Kepler was on boon on December 27, 1571, Weil der Stadt, Württemberg in Germany and died November 15, 1630, Regensburg,
Some key features regarding the Johannes kepler are-
- German astronomer who discovered 3 main laws of planetary motion:
- the planets move in elliptical orbits with Sun at one focus;
- the time required to traverse any arc of a planetary orbit would be proportional to the area of a sector between the central body and that arc (the "area law"); and
- there is a exact relationship between the squares of the planets' periodic times and the cubes of their orbital radii (t).
- Kepler did not call his discoveries "laws," as Isaac Newton did after deriving them from such a new and very distinct general set of physical principles.
- He considered them to be celestial harmonies reflecting God's plan for the universe.
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