Men of the universe
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Men of the Universe. Copernicus. Feb 19, 1473 –May 24, 1543 Could speak Latin, Polish, German, Italian and Greek Banned by the Roman Catholic Church not long after his death. Copernicus’ Contribution. He provided evidence that the moon moved around the Earth.

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Men of the Universe

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Men of the Universe


Copernicus

  • Feb 19, 1473 –May 24, 1543

  • Could speak Latin, Polish, German, Italian and Greek

  • Banned by the Roman Catholic Church not long after his death.


Copernicus’ Contribution

  • He provided evidence that the moon moved around the Earth.

  • Provided evidence for a heliocentric theory – sun is the center of the solar system.


Brahe

  • Dec 14,1546 – Oct 24 1601

  • Born in what is now Denmark and died in the Czech Republic

  • Had 8 children

  • Known as an astronomer

  • Had a silver prosthetic nose. Lost it as the result of a duel


Brahe

  • Worked for the Roman Emperor, Rudolph II.

  • Went to University of Copenhagen and Univ. of Leipzing.


Brahe’s Contribution

  • First thought the sun orbited the Earth and also thought the Earth was the center of the orbit.

  • He is the one that opened up the “door” for more discoveries.


Galileo

  • Feb 15, 1564 – Jan 8, 1642

  • Italian

  • Father was a musician

  • Went to several different schools to study music and physics.

  • Studied medicine at PisoUniv. but due to financial reasons had to self teach himself


Galileo

  • Was an astronomer

  • Known as the father of modern science

  • Middle finger of his right hand is on display at the Museum of History and Science in Florence,Italy


Galileo’s contribution

  • Disproved Aristotle’s theory of everything orbiting the Earth by studying the phases of Venus.


Kepler

  • Dec 27, 1571 – Nov 16, 1630

  • Johannes Kepler was a German mathematician, astronomer and astrologer.

  • He was a key figure in the 17th century scientific revolution.

  • Studied under Brahe

  • Founder of eyeglasses

  • First to discuss moon’s effect on tides.

  • Heliocentric theory


Planetary Orbits and Kepler’s Law


Kepler

  • Johannes Kepler was a German mathematician, astronomer and astrologer.

  • He was a key figure in the 17th century scientific revolution.

  • Kepler’s Laws describe the motion of the planets around the sun.

  • Kepler knew of 6 planets: Earth, Venus, Mercury, Mars, Jupiter and Saturn.


Kepler’s First Law

  • States that planets move around the sun in ellipses, with the sun at one focus.

  • What does this really mean?

    • This means that the distance between the planet and the sun varies, as the planet goes around.


Kepler’s 1st Law

Looking at the diagram, determine what the terms “perihelion” and “aphelion” mean.


Kepler’s 2nd Law

  • This law basically states that a planet will move its fastest when closest to the Sun and its slowest when at a distance furthest from the Sun.


What do you notice here?


Kepler’s 3rd Law

  • Explains how the amount of time needed for a planet to orbit the Sun is related to the distance the planet is from the Sun.

  • The closer a planet is to the Sun, the shorter the amount of time needed for a planet to travel around the Sun.

    http://www.youtube.com/watch?v=acrLrlApvy8


A Summary of Kepler’s Laws

http://www.youtube.com/watch?v=eAftXFEOmGo


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