Kepler''s laws of planetary motion, Science

Kepler's  Laws of Planetary Motion:

Further support to the heliocentric model came from the work of Johannes Kepler at around the same time as Galileo's observations. Kepler, a German astronomer, was  

 

703_Keplers  Laws of Planetary Motion.png

trying to work out a theoretical model which explained all observations of planetary motion. The most accurate observations of apparent planetary positions had been made bv Tvcho Brahe.  

Brahe invited Kepler to work with him. He  recommended that Kepler study the planet Mars because its motion seemed most anomalous, most difficult to reconcile with an orbit made of  circles. Further, planets in circular orbits ought to move with constant speed. But Kepler found that their speeds changed with their distance from the Sun. After years of  trial and error, he found that the only explanation of  the observed movement of Mars was that its orbit was an ellipse with the Sun at one of  its foci. Thus, the idea of  circular orbits was abandoned. Kepler eventually succeeded in explaining Brahe's  observations which could all be expressed simply, in  the form of three law$ of  planetary motion.

Kepler's laws removed the main objection of  the Copernican model, that this model could not give an accurate description of  the observed path of  the planets. These laws also led to the rejectioli of Pythagorean-Platonic  view of  the heavens showing only perfect circular motions, which even Copernicus had retained. By.the  end of  the seventeenth century the heliocentric model of  the universe came to be accepted generally. Interestingly,  the physical proof  of  the movement of  the Earth came when  it was no longer necessary, because by  then everybody had already accepted that the Earth moved around the Sun. 

Posted Date: 9/28/2012 1:09:28 AM | Location : United States







Related Discussions:- Kepler''s laws of planetary motion, Assignment Help, Ask Question on Kepler''s laws of planetary motion, Get Answer, Expert's Help, Kepler''s laws of planetary motion Discussions

Write discussion on Kepler''s laws of planetary motion
Your posts are moderated
Related Questions
Food Web: Within an ecosystem,  there are many different food chains. Some organisms may be involved in several of the food chains at the same time. So a number of food chains

What would be the best approach to studying Psychedelic Drugs and how they effect people? Would you have to Major in chemistry. Is there a way to get involved in a study. It is one

Mass communication: The well-known exponent of  the role of mass media in development, Dr. Wilbur Schramm, who headed a team of experts  to advise  the development of  infrastr

Polysomnography is a health care field with strong technical applications. To be effective, sleep technicians must have a strong health care background and be able to identify tech

assignment on microscope

The meaning of 'rock' and 'mineral' Develop the meaning of these two terms by a study of the specimens collected. A rock is usually regarded as mineral matter found in t

Minerals and vltamins Minerals and vltamins are not a source of energy but they are necessary in many of the steps involved in the release of energy in  the cells. Thus,  t

State about the Lateritic soils Lateritic soils formed at high levels have a pale red colour, have high gravel content and are poor in all fertility constituents.  Those forme

Explain the Water balance function of the kidney Water is one of the most important constituent in the daily diet. You are already aware of the roles it plays in our body. Main

Origin of life  on the earth: Man has always wondered  how he came into existence, who created him, and why he was created. Curiosity in this connection has been so strong that