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The orbital axis of all the planets in our solar system are roughly parallel (within 10 degrees, Mars is just under 2 degrees off ours), so it would be fair to
by DougBTX 14y ago
The orbital axis of all the planets in our solar system are roughly parallel (within 10 degrees, Mars is just under 2 degrees off ours), so it would be fair to pick a north pole at the same "end" as ours. http://en.wikipedia.org/wiki/Orbital_inclination http://en.wikipedia.org/wiki/Orbital_inclination
- wkdown 14y agoFun fact: Uranus is at 97+ degrees, making it almost perpendicular to the other planets axis http://en.wikipedia.org/wiki/Uranus#Axial_tilt http://en.wikipedia.org/wiki/Uranus#Axial_tilt
- DougBTX 14y agoHm, guess that means I don't understand the article I linked to.
- timmaxw 14y agoI think you were confusing orbital inclination with axial tilt. http://en.wikipedia.org/wiki/Axial_tilt http://en.wikipedia.org/wiki/Axial_tilt
- bmunro 14y agoThe article you linked to describes the angle of plane of the orbit - the circle it makes around the sun. These vary by only a small amount. The axial tilt is different. It is basically how far the axis through the poles of a planet is tilted compared to the plane of its orbit. This is what you were thinking of initially - it can very a lot.
- wkdown 14y agoPluto, while no longer a planet, as an inclined orbital tilt as well. It will also occasionally come inside the orbit of Neptune. http://en.wikipedia.org/wiki/Pluto#Orbit_and_rotation http://en.wikipedia.org/wiki/Pluto#Orbit_and_rotation