Comments on: Système solaire http://www.blog-sciences.com/p30-solar-system Un blog utilisant WordPress Sun, 14 Mar 2010 22:00:10 +0000 http://wordpress.org/?v=2.7 hourly 1 By: benoit L http://www.blog-sciences.com/p30-solar-system/comment-page-1#comment-343 benoit L Wed, 30 Nov 2011 00:00:00 +0000 http://www.edumedia.fr/blog/p30-solar-system#comment-343 Ils ont bien fait de virer Pluton ces experts de lUAI. Le temps passant, nous aurions decouvert d'autres planètes peut etre plus grosses que Pluton (Eris est justement plus grosse aue Pluton). C'est une histoire a se retrouver a 36 planetes dans 50 ans. Boxon total pour les astrologues, et les cartes astronomiques. Il faut bien figer les choses avec clarté ! Ils ont bien fait de virer Pluton ces experts de lUAI. Le temps passant, nous aurions decouvert d’autres planètes peut etre plus grosses que Pluton (Eris est justement plus grosse aue Pluton).
C’est une histoire a se retrouver a 36 planetes dans 50 ans. Boxon total pour les astrologues, et les cartes astronomiques. Il faut bien figer les choses avec clarté !

]]> By: Charles http://www.blog-sciences.com/p30-solar-system/comment-page-1#comment-342 Charles Tue, 30 Nov 2004 00:00:00 +0000 http://www.edumedia.fr/blog/p30-solar-system#comment-342 We don\'t add, we substract ! Resolutions 5A and 6A of the last IAU meeting states \"that a \"planet\" is defined as a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.\" It means that Pluto is not a planet anymore. Solar System consists of eight \"planets\" Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune and a new distinct class of objects called \"dwarf planets\" is decided. Ceres (Main asteroids belt), Pluto and Eris are part of this new category. I decided to show some of those dwarf planets. Ceres, Pluto, Quaoar ans Eris (2003 UB313) I must say that this view from above reveals the elliptical orbits of some celestial bodies but it doesn\'t illustrate at all that Pluto and Eris are orbiting out of the ecliptic plane. You have to imagine that Pluto\'s orbit is tilted 17 degrees our of the ecliptic plane. This angle reaches 44 degrees for Eris ! We don\’t add, we substract ! Resolutions 5A and 6A of the last IAU meeting states \”that a \”planet\” is defined as a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.\”

It means that Pluto is not a planet anymore. Solar System consists of eight \”planets\” Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune and a new distinct class of objects called \”dwarf planets\” is decided. Ceres (Main asteroids belt), Pluto and Eris are part of this new category.

I decided to show some of those dwarf planets. Ceres, Pluto, Quaoar ans Eris (2003 UB313)

I must say that this view from above reveals the elliptical orbits of some celestial bodies but it doesn\’t illustrate at all that Pluto and Eris are orbiting out of the ecliptic plane. You have to imagine that Pluto\’s orbit is tilted 17 degrees our of the ecliptic plane. This angle reaches 44 degrees for Eris !

]]> By: Lefoll http://www.blog-sciences.com/p30-solar-system/comment-page-1#comment-341 Lefoll Thu, 30 Nov 2000 00:00:00 +0000 http://www.edumedia.fr/blog/p30-solar-system#comment-341 Thank you for your animation but what about the new planets that we must add to our old solar system ? Thank you for your animation but what about the new planets that we must add to our old solar system ?

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