Clarification....
I haven't done a whole lot of research regarding the nature of dark matter.
I DO know that a major proportion of all matter in the universe is composed
of dark matter. The existance of dark matter, from what I understand, is
necessary when postulating the size, age, lifespan, gravitational effects,
ect. of the universe. In other words, in order for the universe to exist in
it's present size and context (expanding, but the expansion slowing), the
existance of an ENORMOUS amount of dark matter MUST be present. That is how
we KNOW it must exist.
HOWEVER, as I've often pointed out to friends of mine when this subject
comes up (and with my middle-age nerdy friends, you'd be surprised how often
this subject actually DOES come up), if too much dark matter existed in the
universe, how would we be able to see EXTREMELLY distant objects? I mean,
from everything I have read about dark matter, most of the matter in the
universe is composed of dark matter. Again, physists base this on
observations dark matter seems to have on the gravitational effects on
galaxies AND the need for dark matter to exist in order to explain the
beginning, middle, and end of the universe.
MOSFET
"GregS" wrote in message
...
In article , "MOSFET"
wrote:
Now that's a new approach to this mystery. Whenever I have thought of
gravity, I have always imagined objects being DRAWN together, whether by
a
warping of space time or an emitting of an always-attractive-graviton
creating a gravitational wave.
I have never approached the subject from the perspective of objects being
"pushed" together, again, I always imagine objects being attracted to one
another.
Wow, that's thinking out of the box.
Perhaps the warping of spacetime creates a condition where all objects
are
being pushed towards all other objects.
But as I said before, accelerated motion is the key. Eample: if I were
to
build a rocket ship ala 2001 that was circular and spun to create
artificial
gravity, the artificial gravity created would follow ALL of Newton's laws
perfectly (as long as it was spnning at exactly the right speed to
emulate
the same gravity effects we feel on earth). THIS IS SIGNIFICANT. I
can't
emphasize this point enough. I know it may seem basic (the "duh"
factor),
but ALL his mathamatical equations regarding gravity would hold true on
just
such a ship. This is an ENORMOUS clue regarding the nature of gravity.
Why is this so significant IMHO? If gravity is created by gravitational
fields, by creating gravity in a COMPLETLY different way, we would expect
to
see at least some subtle variations on gravities effects. But we don't.
Gravity PERFECTLY mimics accelerated motion in space.
Accelerated motion is the key to this riddle, I really believe it is. As
I
said before, you, myself and the earth all create a warping of spacetime
in
the fourth dimension and this warping creates this accelerated motion
effect. We don't percieve this accelerated motion because we don't
percieve
the fourth dimension (space/time). But we do perceive the results which
are, of cource, gravity.
Again, it is tough to get your head around this and so a more tangible
explanation has been sought for over 80 years now. It would be MUCH
easier
to understand gravity if it were a wave or particle that all matter
emitted
and was always attractive. Again, I know physists teaching at Caltech
RIGHT
NOW who still believe in the graviton theory. For a physist, this is a
much
more attractive theory as it is A) easier to understand and B) there is a
hope that we may someday detect the graviton.
MOSFET
Very good point.
I thought my push theory was pretty cool.
We don't know anything about dark energy. Perhaps
when they start that thing going in Europe we will know more.
greg
"GregS" wrote in message
...
In article , "MOSFET"
wrote:
It's true, Einstein originally postulated via his Unified Field Theory
that
gravity SHOULD be a form of electromagnatism. But as stated in my
previous
post, no connection has yet been found.
However, in his Special Theory of Relativity he postulated that
gravity
could be a warping of space/time. Obviously, this was a VERY
difficult
concept for other physists to grasp or perform experiments on. A more
"simple" explanation (i.e. gravitational waves or the graviton) was
sought
that could be more easily understood and, more importantly, DETECTED.
Again, there are physists teaching RIGHT NOW at Calteach who still
believe
in the Graviton or gravitational wave theory. Experiments in space
are
still being conducted in an effort to detect gravitational waves.
I was just thinking about magnetism.
Back on track, its usually explained being attracted to large objects,
but
could very well be, being pushed toward. Maybe its backwards ?
We are pushed into a black hole. Maybe there is a test for
this thats been allready been done..
greg
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