If everything is relative to each other in this universe

  • Thread starter !Jon Snow!
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  • #1
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Main Question or Discussion Point

why do we keep the sun to be the reference point and study the solar system and universe relative to it and why not relative to the Earth?
 

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  • #3
phinds
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why do we keep the sun to be the reference point and study the solar system and universe relative to it and why not relative to the Earth?
Google "epicycles"
 
  • #4
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why do we keep the sun to be the reference point and study the solar system and universe relative to it and why not relative to the Earth?
Copernicus asked the opposite question and, as Dalespam alluded to, the math was much easier. 500 years later it's still easier. So why go back?
 
  • #5
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In daily life, we observe sunrise and sunset, which are the motion of the Sun relative to us.
 
  • #6
phinds
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In daily life, we observe sunrise and sunset, which are the motion of the Sun relative to us.
Yes. And your point is? You seem to be making an argument for Earth centric systems.
 
  • #7
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Yes. And your point is? You seem to be making an argument for Earth centric systems.
No. I am not.
But on the Sun, if possible, we could also observe 'Earthrise' and 'Earthset' relative to the Sun.
Is that correct?
 
  • #8
phinds
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No. I am not.
But on the Sun, if possible, we could also observe 'Earthrise' and 'Earthset' relative to the Sun.
Is that correct?
Yes.
 

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