We conclude our study by proving, with mathematical rigour as always, Kepler's Third Law - the square of the period of a planet moving around its elliptical orbit is proportional to the cube of its semimajor axis of that orbit. Check out www.gaussianmath.com for an indepth study or more calculus related content.
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Added: October 26, 2009, 11:12 pm
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Fundamentals of Physics (PHYS 200) The focus of the lecture is problems of gravitational interaction. The three laws of Kepler are stated and explained. Planetary motion is discussed in general, and how this motion applies to the planets moving around the Sun in particular. Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses This course was recorded in Fall 2006.
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Added: October 26, 2009, 11:12 pm
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The Kepler spacecraft is designed to stare at one region of our Milky Way galaxy and capture images of any transits it sees. For more on the Kepler mission, visit www.nasa.gov/kepler
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Added: October 26, 2009, 11:12 pm
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Tycho Brahe Johannes Kepler and Planetary Motion 1 of 2
An episode of "Great Moments in Science and Technology"
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Added: October 26, 2009, 11:12 pm
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Join NASA on the Kepler Mission as this traveling telescope images the light from faraway stars to locate Earth-sized and smaller planets. Using the transit method, the Kepler telescope measures the brightness of a star and uses the data to predict habitable zones.
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Added: October 26, 2009, 11:12 pm
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The centuries-old quest for other worlds like our Earth has been rejuvenated by the intense excitement and popular interest surrounding the discovery of hundreds of planets orbiting other stars. There is now clear evidence for substantial numbers of three types of exoplanets; gas giants, hot-super-Earths in short period orbits, and ice giants. The following websites are tracking the day-by-day increase in new discoveries and are providing information on the characteristics of the planets as well as those of the stars they orbit: Extrasolar Planets Encyclopedia, New Worlds Atlas, and Current Planet Count Widget. The challenge now is to find terrestrial planets (i.e., those one half to twice the size of the Earth), especially those in the habitable zone of their stars where liquid water and possibly life might exist. The Kepler Mission, NASA Discovery mission #10, is specifically designed to survey our region of the Milky Way galaxy to discover hundreds of Earth-size and smaller planets in or near the habitable zone and determine how many of the billions of stars in our galaxy have such planets. Results from this mission will allow us to place our solar system within the continuum of planetary systems in the Galaxy.
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Added: October 26, 2009, 11:12 pm
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Satellite Orbital Mechanics - Keplers Laws
http://FreedomUniversity.ning.com, john@e-liteworks.com, 719-963-5873. A short video on Kepler's three laws. For more information on orbital mechanics, please contact me at above coordinates or visit FreedomUniverisity.ning.com
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Added: October 26, 2009, 11:11 pm
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Lec 22 801 Physics I Classical Mechanics Fall 1999
anyone else. But finally he arrived at two... three golden eggs. And the first golden egg then is that the orbits are ellipses-- he talked always about planets-- and the Sun is at one focus. That's Kepler's law number one. These are from around 1618 or so. The second... Kepler's second law is-- quite bizarre how he found that out, an amazing accomplishment. If you take an ellipse, and you put the Sun here at a focus-- this is highly exaggerated because I told you that most orbits look sort ...
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Added: October 26, 2009, 11:11 pm
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We shall prove Kepler's First Law: A planet revolves in an elliptical orbit with the sun at one of its focus. This simple looking law actually turns out to be the hardest one to derive.
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Added: October 26, 2009, 11:11 pm
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Kepler Searching for Other Earths - NASACast Video
This webcast takes you behind the scenes to learn more about Kepler's exciting mission to discover other Earth-like planets in our galaxy.
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Added: October 26, 2009, 11:11 pm
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Keplers Laws - Preliminaries pt1
Before we prove Kepler's Laws, we need to formulate some preliminaries namely setting up the coordinate axis. Check out www.gaussianmath.com for a more indepth explanation and more calculus-related content.
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Added: October 26, 2009, 11:11 pm
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Heliocentric Orbit for Kepler Telescope
Simulation of the path of Kepler telescope
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Added: October 26, 2009, 11:11 pm
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stars by magnitude. Aristarchus of Samos First known person to propound the heliocentric model of universe. Attempted to calculate the sizes and ...
Added: October 26, 2009, 11:11 pm
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Pope Bans Copernicus Theory of Sun-Centered Universe
The Catholic Church listed Copernicus' "De revolutionibus" on its Index of Prohibited Books, thus prohibiting its publication and denying the physical reality of the earth's movement around the sun. Andreas Cellarius circumvented the ban by depicting the theory in the lavish and ingenious drawings of "Harmonia macrocosmica", the most beautiful and famous Celestial Atlas. See Perfect Re-creations of Cellarius' works and the Church-banned Mercator World Map at DiscoveryEditions.com/Heresy...
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Added: October 26, 2009, 10:40 pm
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Universe 114 Beyond Big Bang 17 Copernicus
The History Channel Australia & New Zealand The Universe : 1/14 Beyond The Big Bang : 1/7 Copernicus Learn about Copernicus' theories of a sun-centered universe. --- It all began inside a violent, blinding explosion that threw everything into chaos. Ever since, our greatest thinkers have peered into that chaos in search of order, logic & the answers to where we began. As earlier generations learned to decipher the cosmic clues of how we came to be, we stepped from revelation to revelation; epiphany to epiphany. Aristotle told us the world was round. Ptolemy conceived of a system of planets, stars & sun. Copernicus placed the sun at the center of this system. Galileo confirmed it. Newton explained what held it all together. Einstein offered insight into what fueled it. Hubble proposed it started with a "Big Bang". Our search for answers has shaped how we have evolved as thinking creatures. The Big Bang is the history of why & how we think about who & what we are. We'll contemplate how various cultures believe the world began & how it will all end...& what comes after. & for the first time, we'll be able to see what it might have all looked like, sitting in God's front row seats. Using unprecedented cutting edge animation, The Big Bang will recreate that amazing moment when everything started. With interviews from the world's leading physicists, engineers & historians we will employ every storytelling tool to make complex & confusing ideas clear, exciting & dramatic. Recreations, visual metaphors & first-person accounts will explain concepts like: the formation of galaxies, the existence of other dimensions & the idea of a parallel universe. The Big Bang will pose one of history's greatest questions, Where do we begin? --- http://www.thehistorychannel.com.au
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Added: October 26, 2009, 10:39 pm
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Nicolaus Copernicus founder of Heliocentric Cosmology
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Added: October 26, 2009, 10:39 pm
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http://slooh.com This video looks at Galileo's important work with the first telescope and includes an overview of the SLOOH robotic telescopes. Robotic telescopes are accessed and controlled using the Internet an incredible evolution of technology from Galileo's first telescopes
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Added: October 26, 2009, 10:39 pm
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An animation about the Galileo judgement
Added: October 26, 2009, 10:39 pm
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15 February 1564 -- 8 January 1642 was a Tuscan (Italian) physicist, mathematician, astronomer, and philosopher who played a major role in the scientific revolution. His achievements include the first systematic studies of uniformly accelerated motion, improvements to the telescope and consequent astronomical observations, and support for Copernicanism. Galileo's empirical work was a significant break from the abstract Aristotelian approach of his time. Galileo has been called the "father of modern observational astronomy", the "father of modern physics", the "father of science", and "the Father of Modern Science." The motion of uniformly accelerated objects, taught in nearly all high school and introductory college physics courses, was studied by Galileo as the subject of kinematics. His contributions to observational astronomy include the discovery of the four largest satellites of Jupiter, named the Galilean moons in his honour, and the observation and analysis of sunspots. Galileo also worked in applied science and technology, improving compass design. Galileo's championing of Copernicanism was controversial within his lifetime. The geocentric view had been dominant since the time of Aristotle, and the controversy engendered by Galileo's opposition to this view resulted in the Catholic Church's prohibiting the advocacy of heliocentrism as potentially factual, because that theory had no decisive proof and was contrary to the literal meaning of Scripture. Galileo was eventually forced to recant his heliocentrism and spent the last years of his life under house arrest on orders of the Inquisition.
Added: October 26, 2009, 10:39 pm
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Universe 114 Beyond Big Bang 47 Galileo
The History Channel Australia & New Zealand The Universe : 1/14 Beyond The Big Bang : 4/7 Galileo Learn about Galileo's bold moves of challenging the church with his theories of the universe. --- It all began inside a violent, blinding explosion that threw everything into chaos. Ever since, our greatest thinkers have peered into that chaos in search of order, logic & the answers to where we began. As earlier generations learned to decipher the cosmic clues of how we came to be, we stepped from revelation to revelation; epiphany to epiphany. Aristotle told us the world was round. Ptolemy conceived of a system of planets, stars & sun. Copernicus placed the sun at the center of this system. Galileo confirmed it. Newton explained what held it all together. Einstein offered insight into what fueled it. Hubble proposed it started with a "Big Bang". Our search for answers has shaped how we have evolved as thinking creatures. The Big Bang is the history of why & how we think about who & what we are. We'll contemplate how various cultures believe the world began & how it will all end...& what comes after. & for the first time, we'll be able to see what it might have all looked like, sitting in God's front row seats. Using unprecedented cutting edge animation, The Big Bang will recreate that amazing moment when everything started. With interviews from the world's leading physicists, engineers & historians we will employ every storytelling tool to make complex & confusing ideas clear, exciting & dramatic. Recreations, visual metaphors & first-person accounts will explain concepts like: the formation of galaxies, the existence of other dimensions & the idea of a parallel universe. The Big Bang will pose one of history's greatest questions, Where do we begin? --- http://www.thehistorychannel.com.au
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Added: October 26, 2009, 10:39 pm
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Carl Sagan reads from Pale Blue Dot - Galileo
Galileo Galilei (15 February 1564 -- 8 January 1642) was an Italian physicist, mathematician, astronomer, and philosopher who is closely associated with the scientific revolution. His achievements include the first systematic studies of uniformly accelerated motion, improvements to the telescope, a variety of astronomical observations, and support for Copernicanism. Galileo's experiment-based work is a significant break from the abstract approach of Aristotle. Galileo is often referred to as the "father of modern astronomy", as the "father of modern physics", and as the "father of science". The motion of uniformly accelerated objects, treated in nearly all high school and introductory college physics courses, was studied by Galileo as the subject of kinematics.
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Added: October 26, 2009, 10:39 pm
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NASA I - A Stroll Through the Solar System
Thanks to modern technology, today's youngsters grow up knowing more about our sun, planets, and solar system than all the famous philosopher/scientists in history -- Archimedes, Aristotle, Democritus, Copernicus, Galileo, Sir Isaac Newton. NASA allows us to take a close look at some of our most fascinating neighbors, from the sun to the nine known planets, and beyond to star clusters, nebulae, and galaxies. ... nasa sun planets venus mercury earth mars saturn jupiter star galaxy nebula ...
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Added: October 26, 2009, 10:38 pm
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