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I would like some help with the following:Is (outer)space more empty than a man made vacuum? If so, does this influence the maximum speed allowed inside this vacuum?
wow thanks PMB thats really helpfull.
as for the other post on vacuum, i agree with imatfaal and say its too much religion based.
Please let us stick to S.I units I know that Astronomers like to use there own selection of units but I believe a science forum should alaways use S.I (no more cc please)
My excuse for being lousy at Thermodynamics is that every time I tried to learn it, the blighters had changed to different units! I grew up using Imperial units, was taught science in CGS which switched half-way through to SI, was taught in a mixture of SI and Imperial in higher ed, then moved to the US and had to unlearn everything and go back to Imperial. It's hardly surprising that I'm really messed up.