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The helical model
Anonymous Kritter Show this Post
12-27-2012, 04:40 AM #1
Anonymous Kritter Incognito Anonymous
 


12-27-2012, 07:30 PM #2
UniqueStranger Art in my heart
Posts:15,184 Threads:429 Joined:Jun 2012
12-27-2012, 07:36 PM #3
UniqueStranger Art in my heart
Posts:15,184 Threads:429 Joined:Jun 2012
12-27-2012, 07:42 PM #4
Octo Mother Superior
Posts:43,361 Threads:1,482 Joined:Feb 2011
That vortex model was fascinating. Who knows...

spock.gif
12-27-2012, 07:46 PM #5
UniqueStranger Art in my heart
Posts:15,184 Threads:429 Joined:Jun 2012
I'm of the mind (imagination) that our solar system is rotating helically around the sun, but our entire solar system is also rotating helically around neighbouring gravitational forces within our galaxy, and our galaxy is also rotating helically around neighbouring galaxies, while riding the expansion or contraction (who knows?) wave. All the while the massive big black hole is sucking it all in.

12-27-2012, 09:05 PM #6
yankees skier
Posts:5,889 Threads:215 Joined:Feb 2011
That was very cool. I would like to know if the Suns motion is perpendicular to the ecliptic plane as shown in the video, or along the plane.

Biere.
12-27-2012, 10:51 PM #7
Accidental Stoner Member
Posts:9,036 Threads:74 Joined:Feb 2011

Good thread.

:)

12-28-2012, 01:23 AM #8
DiggerDawg Member
Posts:412 Threads:34 Joined:Sep 2012
I believe the sun orbits sirus as we zoom threw the galaxy witch is also traveling threw the universe couldn't find any details on it last night tho nor could i find a descent video on the golden ratio to go with i was up way past my bed time wave.gif
12-28-2012, 02:09 AM #9
Octo Mother Superior
Posts:43,361 Threads:1,482 Joined:Feb 2011
Well it's not like we're gonna close this thread anytime soon. wave.gif
12-28-2012, 03:58 PM #10
yankees skier
Posts:5,889 Threads:215 Joined:Feb 2011
If the sun is moving as the video suggested, then there would not be any orbits above the ecliptic plane, they would all have to be south of the plane to be dragged by the sun.

Biere.
12-28-2012, 05:37 PM #11
オタマジャクシ Member
Posts:1,310 Threads:32 Joined:Nov 2012
Orbits around a single major body are conic sections (the intersection of a plane and a cone). The orbit of the majority of the planets of the solar system is called the plane of the elliptic. The earth path is mostly pretty much in the plane of of elliptic with the other planets. However the plane of the elliptic is at 7.25 degrees to the equator of the sun. The earth's orbit is eccentric partly because the center of orbits in solar system is in the center of mass of solar system. The sun diameter is 659,000 km, the center of orbit with Jupiter is 741,736 miles from the center of the Sun. The center of orbit with Saturn is 407,192 miles from the center of the sun. When Jupiter and Saturn are on the same side of the sun the inner planets orbit a point outside the Sun. When Jupiter and Saturn are on opposite sides of the sun the center of orbits is a point inside the Sun. This is why the earth has long term climate cycles. An extremely eccentric orbit results in less Solar radiation.

The center of mass in the galaxy is in the center - but most of the mass is outside the galaxy (the whole dark matter thing). So the Solar System orbital mechanics about the center of the galaxy aren't simple. The orbit is going to be more or less circular (if viewed from the perpendicular). If viewed from in-plane it is a different story.
İmage
The solar system is about 26,000 light years from the center of the galaxy, orbits in 220 million years, and bobs up and down (like the edge of the clam shell) every 40 million years so it passes through the equivalent of the plane of the elliptic about 10 times per orbit.

Oh, the star and arm motions are different - many stars orbit slower than the arms and appear of jump from arm to arm in an animation of galactic rotation. The sun is currently between major arms in a pseudo-arm.
12-28-2012, 05:44 PM #12
yankees skier
Posts:5,889 Threads:215 Joined:Feb 2011
Very cool info.

Biere.



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