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Expansion of universe
On Apr 20, 10:07*am, Sam Wormley wrote:
On 4/20/10 9:49 AM, Jeroen Belleman wrote: Sam Wormley wrote: On 4/19/10 11:50 PM, Lax wrote: If the expansion of the universe is causing some galaxy to move away from us at some velocity and if the expansion of the universe stays constant, will the galaxy always be moving away from us at that velocity (if nothing abnormal happens)? H_o = 71 km/s/Mpc I just wished they'd used some more 'natural' units. Mixing two different units of length in the same parameter just obscures what it really says: H_o = 1/(age of the universe) or H_o = c/(radius of the universe). Much clearer, no? Jeroen Belleman * *Convenient units of measure for astronomers might not be best * *for you, Jeroen. * *Do you like this better? * *71 ± 2(stat) ± 6 (systematic) km/s/Mpc = 2.30095131 × 10^-18 hertz- Hide quoted text - - Show quoted text - Quasars had a comon origin at the Big Bang. Their red shift is gravitational and motion. They are distributed throughout the entire universe. Mitch Raemsch |
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