Comments on: 4 planets visible in the evening sky this week http://www.clarkplanetarium.com/blog/4-planets-visible-in-the-evening-sky-this-week Clark Planetarium Fri, 03 Feb 2012 11:48:11 -0700 http://wordpress.org/?v=2.8.6 hourly 1 By: Richard http://www.clarkplanetarium.com/blog/4-planets-visible-in-the-evening-sky-this-week/comment-page-1#comment-1528 Richard Mon, 26 Jul 2010 14:00:35 +0000 http://www.clarkplanetarium.com/blog/?p=2092#comment-1528 Only the Earth orbits directly on the ecliptic, as, by definition, Earth's orbit is the ecliptic. All other planetary orbits are inclined slightly off the ecliptic. Mercury -- 7 degrees Venus -- 3.4 Mars -- 1.9 Jupiter -- 1.3 Saturn -- 2.5 Uranus -- 0.8 Neptune -- 1.8 Thanks for your comment. Only the Earth orbits directly on the ecliptic, as, by definition, Earth’s orbit is the ecliptic. All other planetary orbits are inclined slightly off the ecliptic.
Mercury — 7 degrees
Venus — 3.4
Mars — 1.9
Jupiter — 1.3
Saturn — 2.5
Uranus — 0.8
Neptune — 1.8

Thanks for your comment.

]]> By: David http://www.clarkplanetarium.com/blog/4-planets-visible-in-the-evening-sky-this-week/comment-page-1#comment-1502 David Fri, 23 Jul 2010 03:46:28 +0000 http://www.clarkplanetarium.com/blog/?p=2092#comment-1502 Why does Saturn appear slightly off of the ecliptic plane? Why does Saturn appear slightly off of the ecliptic plane?

]]>