Does it matters how close masses are?

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Offline erickejah

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Does it matters how close masses are?
« on: 29/01/2010 16:51:10 »
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How close does matter has to be together so it can be consider a single mass object?

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Offline Soul Surfer

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Does it matters how close masses are?
« Reply #1 on: 29/01/2010 18:53:26 »
The actual distance between the two objects is not critical it is just important that you are observing the gravitational effect from a distance considerably greater than the separation of the two objects. from a distance ten times further than the separation distance of two equal mass objects the difference in the field is very small.
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Offline erickejah

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Does it matters how close masses are?
« Reply #2 on: 30/01/2010 03:44:00 »
thanks, everything comes to play in the reference from which we catalog objects.