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| Name | Why Are Planetary Orbits Elliptical? |
| Video Uploader | Video From Science ABC |
| Upload Date | This Video Uploaded At 13-11-2020 07:30:01 |
| Video Discription | Planetary orbits are elliptical because gravitational interaction over time changes the delicate balance of mass, velocity and distance from the star which otherwise keeps planetary orbit circular. For a very long time, from Ptolemy to the age of Copernicus, it was widely believed and accepted that planets in our Solar System revolved in a perfectly circular path. Because the circle was presumed to be an ideal shape for planetary bodies to orbit. But then in the seventeenth century in his seminal book Astronomia Nova, Johannes Kepler rebutted this very idea. He put forth his own theory pertaining to planetary motion. He theorized that planetary bodies orbit in an elliptical path with the Sun sitting at one of the foci of that ellipse. In this video we will try to understand what makes these planetary orbits elliptical. References: https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-orbit-58.html http://www.cso.caltech.edu/outreach/log/NIGHT_DAY/elliptical.htm https://nssdc.gsfc.nasa.gov/planetary/factsheet/ #science #funfacts #ellipticalorbits Original Article Link: https://www.scienceabc.com/nature/universe/planetary-orbits-elliptical-not-circular.html If you wish to buy/license this video, please write to us at [email protected]. Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood ) SUBSCRIBE to get more such science videos! https://www.youtube.com/channel/UCcN3IuIAR6Fn74FWMQf6lFA?sub_confirmation=1 Follow us on Twitter! https://twitter.com/abc_science Follow us on Facebook! https://facebook.com/sciabc Follow our Website! https://www.scienceabc.com |
| Category | Science & Technology |
| Tags | why are orbits elliptical | elliptical orbits of planets | earth orbital eccentricity | orbital eccentricity of planets | kepler's laws of planetary motion | kepler's first law | why do planets orbit the sun in an elliptical shape | why are planetary orbits elliptical | eccentricity of an ellipse | foci of ellipse | why do planets have elliptical orbits | why do planets move in elliptical orbits | why elliptical orbit | why orbits are elliptical | science | animation | curiosity |
