Quote:
Originally Posted by Pyrotex
I take my one and only trip
On the Galactic Plane.
I stare out the window.
The stars look so far away.
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But failing fare
I missed the train,
and pon my window,
dayly rain.
Knowing how much everyone loves Wicky,
I have found some data there...alas it only gives the periodicity for our solar system's trip around the galaxy.
Quote:
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Originally Posted by Wicky
It would take the solar system about 226 million years to complete one orbit ("galactic year"), and so is thought to have completed about 25 orbits during its lifetime. The orbital speed is 217 km/s, i.e. 1 lightyear in about 1,400 years, and 1 AU in 8 days.
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Solar apex - Wikipedia, the free encyclopedia
Aha! But it led me to this:
Quote:
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Originally Posted by americanscientist.org
Our sun is also in motion. Relative to the average motion of the most commonly measured nearby stars, the sun moves with a speed of about 16.5 kilometers per second, or nearly 50 light-years per million years. The sun's path is inclined about 25 degrees to the plane of the galaxy and is headed toward a region in the constellation of Hercules near its border with Lyra. The sun oscillates through the plane of the galaxy with an amplitude of about 230 light-years, crossing the plane every 33 million years. However, the sun's motion relative to the local stellar neighborhood should not be confused with its movement around the center of the galaxy, since the whole solar neighborhood (including the sun) orbits the galactic center once every 250 million years. Just as we do not include the earth's velocity around the sun when calculating the speed of an airplane (we are only interested in the ground-speed), astronomers do not include the sun's galactic orbital velocity when describing its local motion.
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American Scientist Online - The Galactic Environment of the Sun
Well, off to read the whole paper as we have the periodicity now but I haven't found the current state info..
