Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-16 Thread David Jonsson
On Wed, Jan 12, 2011 at 11:38 PM, David Jonsson davidjonssonswe...@gmail.com wrote: I have derived an effect which differs from Newton/Kepler orbits but with the wrong sign apparently increasing the problem even more. I would be glad if someone could check the calculations before I take them

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-13 Thread Mauro Lacy
On 01/12/2011 08:25 PM, David Jonsson wrote: On Thu, Jan 13, 2011 at 12:00 AM, Mauro Lacy ma...@lacy.com.ar mailto:ma...@lacy.com.ar wrote: On 01/12/2011 07:38 PM, David Jonsson wrote: I have derived an effect which differs from Newton/Kepler orbits but with the wrong sign

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-13 Thread mixent
In reply to Mauro Lacy's message of Thu, 13 Jan 2011 09:23:01 -0300: Hi, [snip] Let's calculate the acceleration produced by 200 million suns. This is doomed to fail because, as we know, galaxies don't obey Newton's gravitational law, but just to have an idea: a= Fg/msun = G msun*2*10^11/(26000 *

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-13 Thread David Jonsson
On Thu, Jan 13, 2011 at 9:19 PM, mix...@bigpond.com wrote: In reply to Mauro Lacy's message of Thu, 13 Jan 2011 09:23:01 -0300: Hi, [snip] Let's calculate the acceleration produced by 200 million suns. This is doomed to fail because, as we know, galaxies don't obey Newton's gravitational

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-13 Thread Mauro Lacy
On 01/13/2011 05:19 PM, mix...@bigpond.com wrote: In reply to Mauro Lacy's message of Thu, 13 Jan 2011 09:23:01 -0300: Hi, [snip] Let's calculate the acceleration produced by 200 million suns. This is doomed to fail because, as we know, galaxies don't obey Newton's gravitational law, but

[Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-12 Thread David Jonsson
I have derived an effect which differs from Newton/Kepler orbits but with the wrong sign apparently increasing the problem even more. I would be glad if someone could check the calculations before I take them further. It would also be nice to calculate on some real example.

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-12 Thread Mauro Lacy
On 01/12/2011 07:38 PM, David Jonsson wrote: I have derived an effect which differs from Newton/Kepler orbits but with the wrong sign apparently increasing the problem even more. I would be glad if someone could check the calculations before I take them further. It would also be nice to

Re: [Vo]:Dark matter / galaxy rotation problem approached with simple classical physics

2011-01-12 Thread David Jonsson
On Thu, Jan 13, 2011 at 12:00 AM, Mauro Lacy ma...@lacy.com.ar wrote: On 01/12/2011 07:38 PM, David Jonsson wrote: I have derived an effect which differs from Newton/Kepler orbits but with the wrong sign apparently increasing the problem even more. I would be glad if someone could check