(September 11, 2014 at 3:45 pm)sswhateverlove Wrote: Ok, interesting. Can you direct me to where I would find info on "properties" of dark matter an dark energy that have been observed?Gravitational lensing (when there isn't an 'actual' object there to cause the lensing), and the persistent structural integrity of a spinning galaxy.
These two things alone, ignoring any other things "observed" as dark matter, says that there is something there. Something that causes these effects.
It's simply called 'dark matter' because we don't know what this 'stuff' is yet. But there is sufficient evidence to tell us that this 'stuff' is there.