Quote:
Originally Posted by Bobby-Joe
Anyone know the light refraction of a diamond? If we knew that we could calculate how far the stars are from earth.
Now this is what science is about, drawing conclusions from sound observations and no wild speculation.
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we use parallax to determine the distance of the closer stars to earth.
http://en.wikipedia.org/wiki/Parallax
however, at 1+ billion light years, we cannot measure the angular shift differential to compute the distance accurately. so we have to use other methods to determine the distance beyond that.