24 May So, what’s a great time to choose?
How about . RIGHT NOW! I'll use a shorthand for t = now by placing a zero subscript on quantities; that turns H(t) into H0, which iliar to you.
Brand new important thickness is a vital value, however if you to determine it when you look at the g for every single cc otherwise kg for each and every meter cubed or atoms for every single cubic meter, they usually appears to encompass a huge negative exponent. For comfort, cosmologists usually discuss the matter thickness inside a family member means:
. but the conclusion is pretty clear: it is far from around the crucial worth. This means that in case the universe is as simple as there is assumed, it does build forever.
Computing the latest evolution of your own measure grounds
Okay, therefore we have a good qualitative understanding money for hard times from the (excessively simplified) universe; can we make it alot more quantitative? We understand how fast the fresh market is increasing right here now, therefore have some procedures of your thickness of number; that means we ought to manage to calculate the long run price from extension and you may size of the market, correct?