1. The document discusses three scientists - Nicolaus Copernicus, Tycho Brahe, and Johannes Kepler - who made important contributions to astronomy. 2. It provides biographical details and accomplishments of each scientist, including Copernicus' theory that the Earth revolves around the sun, Brahe's discovery of a supernova, and Kepler's formulation of the laws of planetary motion. 3. The document also mentions Kepler's inventions, including the Keplerian telescope, and his various jobs as mathematician, physicist, and astronomer.

1. Scientists
1. Nicolaus Copernicus.
2. Tycho Brahe.
3. Johannes Kepler.
Marcel, Emil, Daniel, Yasa, Alex, Henrik

2. Nicolaus Copernicus

3. About Nicolaus Copernicus
● His Life and Jobs
● Worldview

4. Copernicus Life
● Born in Poland
● Studies
● Educations
● Death

5. Worldview
● Copernicus theory
● Calendar error
● Mission from the Pope
● De revolutionibus
orbium coelestium

6. Tycho Brahe
Famous astronomer from
Sweden/Denmark.

7. His life
● Tycho Brahe was
born in 1546 on
December
● Born in Knutstorps
Borg, Skåne.
● One of the few people
to discover a
Supernova.

8. ● Called SN 1572
● Appeared in early november 1572
Tycho`s Supernova

9. Death
● On October 13, 1601 Tycho
brahe died from a unknown
cause.
● Before Brahe died he begged
Kepler to finish his project.
● Buried in Old Town Square,
Prague.

10. Johannes Kepler

11. About Johannes Kepler
● Which inventions?
● What’s Kepler’s laws?
● Jobs?

12. Kepler's Inventions
1. Keplerian Telescope. 2. Glasses

13. Keplerian Telescope

14. Kepler's Inventions
1. Keplerian Telescope. 2. Glasses

15. Glasses

16. Kepler’s Three Laws
1. All planets orbits are elliptical.
2. Equal areas in same amount of time.
3. The speed of each planet varies
depending on the location of it.

17. Kepler’s Jobs
● Several different jobs.
● Mathematician
● Physicist
● Astronomer