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nuwan

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  1. Hey Im a Physics Student doing Ma Edexcel GCE Als. I came accross a problem under cosmology In the txt book they hav given a equation for the age of the universe using the hubble constant . By rearranging hubbles law (V=Hod) they have come up with the equation 1/Ho =time of the universe what I want to know is whether this correct if it is correct then Ho is a constant Ho= 2.3 * 10^-18. If we calculate the age of the universe using this equation today and after 1000 years if we do the same there want be a age difference how could this be is the hubble constant changing or is there some thing wrong with the equation name of the Book is Physics for A2 By Tim Akrill And Graham George Publisher Hodder Education Endorsed by Edexcel Im realy looking forward For An answer :-)
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