1. Johannes Kepler
Elena Prieto Innes 4ºC

2. INDEX
Introduction
Early years
Studies
Personal life
Cultural and historical
legacy

3. INTRODUCTION
 This presentation is about
Johannes Kepler (December
27, 1571 – November
15, 1630), who was a german
astronomer and mathematician.

4. EARLY YEARS
Kepler was born into a family with precarious
economic situation, his family’s fortune had
declined consideralbly by the time he was born.
His curiosity for astronomy was sparked when he
witness The Great Comet of 1577, when he was
6 years old.

5. STUDIES
 In University of
Tubinga, he studies
philosophy, theology and
astronomy.
 He became an
Copernican and during a
student dispute, he
defends heliocentrism
from both a theoretical
and theological
perspective.
Logo of the University of
Tubinga

6. PERSONAL LIFE
 In December 1595, Kepler was introduced to Barbara Müller, a 23year-old from a noble family.
 Barbara’s father opposed to the marriage due to Kepler’s poverty but
relented after the publication of Mysterium.

7. THE
END

8. THE LAW OF ELLIPSES
By: Andrea Santos 4ºC

9. Background Information
 Brahe  mentor  collected data
 Kepler  theoretical construction
 Mars  elliptical orbit
 3 theories  explanation of planet’s motion  sun-centered
solar system

10. The law itself
 “The orbits of the planets are ellipses, with the Sun at
one focus of the ellipse.”

12. THE LAW OF EQUAL
AREAS

13.  “The line joining the planet to the Sun sweeps out equal
areas in equal times as the planet travels around the
ellipse.”

14. THE AREAS OF ALL TRIANGLES
ARE THE SAME SIZE.

15. Law of
Harmonies
Jorge Perez