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Astronomy and Cosmology
Astronomy and Astrophysics
Orientation of the Earth, Sun and Solar System in the Milky Way
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[QUOTE="Janus, post: 6085301, member: 4"] There isn't really an orbital plane that the Sun strictly follows. It bobs up and down across the galactic plane several times per galactic orbit like this. [ATTACH=full]233686[/ATTACH] If you average this out, it follows the galactic plane. The bobbing up and down is due to the same type of effect you would get if you drilled a hole from North to South pole and dropped an object into it. It would travel back and forth through the hole in a harmonic motion. With the Sun, as it gets above the galactic plane, there is more disk matter "below" it, and it is pulled back towards the plane. It overshoots, and passes below the plane, and now more disk matter is above it, pulling it again back towards the plane, which it overshoots... rinse and repeat. [/QUOTE]
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Astronomy and Cosmology
Astronomy and Astrophysics
Orientation of the Earth, Sun and Solar System in the Milky Way
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