How do we calculate an object's distance taking into account the expansion of space? For example: If point A and point B are 100 light years apart, because of the metric expansion of space, does the light take longer than 100 light years to reach point B? When we determine that a galaxy is 100 light years away from us, is that estimate determined by taking the apparent time light has traveled to reach us PLUS the rate at which the universe is expanding?
Re: How do we calculate an object's distance taking into account the expansion of spa Pretty much yes, except that 100 light years doesn't get you out of the Milky Way, even 100 thousand light years might not get you out of the Milky Way.
Re: How do we calculate an object's distance taking into account the expansion of spa It is called Standard Candle using the luminosity of type1a supernovae
comapred to the object in question. Look here they are much better at
explaining than I! Using Supernovae to Measure the Cosmos : Discovery News
Re: How do we calculate an object's distance taking into account the expansion of spa Thank you!
Re: How do we calculate an object's distance taking into account the expansion of spa Thank you!
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