Galactic Year Simulation - diyAudio
 Galactic Year Simulation
 User Name Stay logged in? Password
 Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read Search

 The Lounge A place to talk about almost anything but politics and religion.

 Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
 14th July 2012, 10:01 PM #1 diyAudio Member   Join Date: Aug 2009 Galactic Year Simulation My friend and I performed a few calculations based on the galactic year that are interesting. Based on the galactic year, (the time it takes our sun to orbit the galaxy once), 225 million years, we came up with the following data. Imagine a model of our Sun, with the Earth orbiting it at 22,500 RPM. Pretty fast. Based on this assumption, it would take one week, 168 hours, for the Sun to complete its journey around the galaxy. Remember, the Earth is orbiting the Sun at 22,500 RPM this entire time. We broke it down a little further. To simulate a 50 year span of time with this model, the Sun only moves on it's one week path for 134 milliseconds. I have way too much time on my hands, or maybe not enough.
 14th July 2012, 11:37 PM #2 diyAudio Moderator     Join Date: Oct 2004 Location: Kona, Hawaii Blog Entries: 4 134 milliseconds, perhaps? Put another way, human existence dates back about 8 galactic days. That's not too shabby.
 30th July 2012, 11:29 PM #3 diyAudio Member     Join Date: Aug 2009 Location: Brazil I fell our sun or any other star dont orbit this galaxy(a too large and populated area), but there is no way to know it, unless wait zillions of years to know to calc the route. __________________ >Never go to a psychiatrist, adopt a cat or dog from the streets. On the streets pets live only two years average.
 31st July 2012, 12:00 AM #4 diyAudio Member   Join Date: Aug 2009 How about another "monkey wrench in the works", to state the vernacular. We (the Earth) don't orbit around the sun in an ellipse at all. Since the Sun is orbiting the galaxy, our orbit is actually a spiral.
diyAudio Moderator

Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 2
Quote:
 Originally Posted by scott17 How about another "monkey wrench in the works", to state the vernacular. We (the Earth) don't orbit around the sun in an ellipse at all. Since the Sun is orbiting the galaxy, our orbit is actually a spiral.
With respect to one set of coordinates based on the center of the Milky Way, yes. But the galaxies move, space expands, and if you take a different set of coordinates (say, from the center of ULAS J1120+0641), you get a different shape.
__________________
“Just as soon as we get our opposable thumbs on an interesting concept, the rest of our chimp brains hijack it for a drunken joyride down the interstate.”

diyAudio Member

Join Date: Aug 2009
What shape would that be?

Quote:
 Originally Posted by SY With respect to one set of coordinates based on the center of the Milky Way, yes. But the galaxies move, space expands, and if you take a different set of coordinates (say, from the center of ULAS J1120+0641), you get a different shape.

diyAudio Member

Join Date: Dec 2009
Location: Md
Quote:
 Originally Posted by FullRangeMan I fell our sun or any other star dont orbit this galaxy(a too large and populated area), but there is no way to know it, unless wait zillions of years to know to calc the route.
Fortunately, we understand the basics of motion and gravity. Some guy named Newton helped us with that. So we don't need to wait a few zillion years to see if we moved. Aristotle was good at understanding only by reason. We can do a little better 2400 years later.

We are also fortunate not to have to wait zillions of years as our universe is only 13.75 billion years old unless you believe in the literal interpretation of various scriptures. Then it is a bit younger.

diyAudio Moderator

Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 2
Quote:
 Originally Posted by scott17 What shape would that be?
A very distorted spiral-ish shape, like a Slinky that's been yanked hard, then run over by a truck.
__________________
“Just as soon as we get our opposable thumbs on an interesting concept, the rest of our chimp brains hijack it for a drunken joyride down the interstate.”

 Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is OffTrackbacks are Off Pingbacks are Off Refbacks are Off Forum Rules

 Similar Threads Thread Thread Starter Forum Replies Last Post Fixer The Lounge 12 1st January 2012 11:02 AM T in AZ The Lounge 36 7th January 2010 09:06 PM GUSTAV1966 Pass Labs 2 12th December 2009 04:26 PM Yonnat Pass Labs 0 1st January 2004 11:02 AM MRehorst Everything Else 2 2nd January 2003 11:11 AM

 New To Site? Need Help?

All times are GMT. The time now is 04:11 PM.