Articles related to "Planetary Motion"



Johannes Kepler (1571 – 1630)
A mathematician, astronomer and astrologer, Johannes Kepler was a key figure in the 17th century scientific revolution.
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Kepler's Laws of Planetary Motion
Using Tycho Brahe's laboriously collected data on planetary positions Johannes Kepler discovered three laws of planetary motion and revolutionized astronomy.
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Not So Horrible Scopes
A report of this week's major planetary events. Use it as a weekly planner. We could all use a little help from the heavens!
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Kepler and the Star of Bethlehem
German astronomer and mathematician Johannes Kepler came up with a planetary conjecture of planets Jupiter and Saturn, he called The Star of Bethlehem.
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Pythagoras and the Divine Theory of Numbers
The discoverer of the Pythagorean theorem taught that numbers were the ultimate reality and everything in nature was measured and predicted in rhythmic patterns and cycle
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Understanding Kepler's Second Law
Kepler's second law of planetary motion, expressed in terms of equal areas and equal times, means that the planets change speeds as they orbit the Sun.
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Johannes Kepler Biography
Life and work of German astronomer Johannes Kepler, famous for his three laws of planetary motion. A former assistant of Tycho Brahe, he advanced the Copernican Theory.
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Shaving With Occam's Razor
Essay applying Occam's Razor in sorting out the Clinton vs Starr charges.
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Kepler's First Law
Kepler's first law of planetary motion radically changed our views of the cosmos by saying that planets had elliptical orbits.
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Kepler's Laws
As well as transforming the study of astronomy, Kepler's three laws laid the foundations for Newton's law of gravity.
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The Five Platonic Solids
Demonstrating the often-overlapping sciences of mathematics, philosophy, physics, and theology, the platonic solids have historically been seen as fundamentally important
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Understanding Kepler's Third Law
Kepler's third law of planetary motion is a mathematical relation between orbital periods and distances. It allows astronomers to measure masses of celestial objects.
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Ptolemy, Astronomy, & Almagest
Ptolemy's geocentric astronomical system placed Earth at the center of the universe and he was considered the ultimate authority in astronomy for about 1400 years.
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Tycho Brahe's Bio and Theory
Brief biography of Tycho Brahe, Danish astronomer, who advanced the Copernican Theory but believed that the Earth was still the centre of the universe.
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Stars on the Ceiling
Take a quick trip through the development of the planetarium from 250 BC to 2001.
astronomy planetarium orrery globe optics

Prague, A Guide to the Post-Communist Capital
Beer, women and glass remain Prague's most famous exports as we approach the twentieth anniversary of the Velvet Revolution but locals love her for many more reasons.
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5 Greatest Scientists in History
No bigger impact can be felt by these men who created or changed the scientific world. These great scientific thinkers affected the thinking of the human race as well.
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Isaac Newton, Scientist
Brief biography of Sir Isaac Newton, considered the greatest scientist of all time, famous for "Principia," discovery of gravity, laws of motion, mathematics of calculus.
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Nicolaus Copernicus and Leonardo da Vinci
Leonardo da Vinci and his Renaissance contemporary Nicholas Copernicus were two renaissance philosophers who took on the task of analyzing man and nature.
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Ptolemaic Geocentric Astronomy
Ptolemy's geocentric astronomical system used four geometric devices, the deferent, epicycle, eccentric, and equant, to explain the observed motions of the planets.
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Tycho Brahe's Astronomy
Tycho Brahe was the last great naked eye astronomer and one of the great astronomical observers of all time.
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An Explanation of Pi
The number pi has intrigued great thinkers for millenia. Only recently have mathematicians and scientists been able to truly understand how it relates to nature.
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Famous Danish People
In this article I am going to mention just a few of the people who have done theirs to make Denmark known across oceans and borders....

Famous People Born on Christmas Day
Featuring famous great thinkers and movers whose birthday falls on Christmas Day, December 25th. Names include Newton, Clara Barton, Sadat, Ripley and Nobel laureates.
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How to Document Sources for Research Papers
Many writers of research papers plagiarize sources not for wanting credit for original ideas, but because they are unclear on how to use proper referencing techniques
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OK, So They Got It Wrong!
Even geniuses get it wrong sometimes.
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Sacred Geometry
Sacred geometry is a universal blueprint of coherence between geometry and matter discovered by the ancients and codified into a form of sacred wisdom.
sacred geometry power of one johannes kepler pythagoras fibonacci spiral


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