- 2075
- Too Weird to Ponder.
. Black Holes have so much mass
and so much gravity that the escape velocity needed to get away from them exceeds the speed of light. Nothing escapes. Time and space are curved so much they bend
back on themselves. Time stops. Space shrinks to a dot. This is too weird to comprehend, but , so is
the whole Universe popping out of nothingness.
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------------------------------ 2075
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Too Weird to Ponder
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- The
interesting thing about learning astronomy is that you keep running into these
things that are too weird to ponder.
Black Holes can make your head hurt.
Black Holes have so much mass and so much gravity that the escape velocity
needed to get away from them exceeds the
speed of light. Nothing escapes. Time and space are curved so much they bend
back on themselves. Time stops. Space shrinks to a dot.
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- Then there is
space itself that we used to think was nothing.
Somehow it is a container without walls.
And we are inside it. Now we
learn that space seethes with enormous energy.
I thought it was a vacuum. Yet,
every second trillions of cubic lightyears of it get added to the
Universe. All appearing out of nothing.
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- Light does
not escape a Black Hole. And, light does
not escape from the edge of the Observerable Universe. Immense mass and gravity
pulls light into a Black Hole.
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- The expansion of space is accelerating and
more stuff is going past the edge where it is so far away their light will
never reach us. The velocity of space
expansion can exceed the speed of light.
The edge of the Universe appears as a Black Hole to us and we are living
inside it.
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- If space
expands forever, eventually all the galaxies we see today will disappear beyond
the edge. Then the stars, then the
planets, and we are left with a rarefied sea of atomic particles all separated
by space.
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- Black holes
are formed by adding more and more mass to a star. But, Black Holes are also formed by
compressing mass into a smaller radius (space).
If the Sun were compressed into a radius of 3 kilometers with no change
in mass it would become a Black Hole.
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- If it is a
function of radius what about the smallest fundamental particles, are they
compressed so small that they are mini-Black Holes? Maybe the Universe will end up a rarefied sea
of mini- Black Holes.
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- Then there is
life. Mother Nature seems to have a
bigger imagination than we do. We think
Mother Nature must have been pretty smart.
But, She supposedly rose randomly from inert matter. Supposedly 13 billion years ago carbon,
oxygen and hydrogen got together and that same time later here we are trying to
figure things out. How did those dumb
things get smarter than we are?
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- Then there is
time. If it moves too fast it slows down
to a stop. If it feels too much gravity,
like the edge of a Black Hole, it stops.
Before the Big Bang it supposedly was stopped because it did not
exist. It too formed out of nothing.
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- Then there is
consciousness. Does this Universe exist
only because we do? If we were not here
to observe it would it still be there?
We perceive our perceptions.
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- We perceive a Full Moon only because
electromagnetic energy reflects off its surface and bits of this electric and
magnetic energy enters our eyes, causes chemical reactions in our retinas and
sends tiny electrical signals to our brains.
Without the transfer of this energy would the Moon still be there?
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- Quantum Mechanics says that energy particle-waves
are only statistical probabilities and until observational energy collapses the
waves to create the particles according to the probabilities only to happen
when we observe it. So, are the
particles on the Dark Side of the Moon still just waves?
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- This is too
weird to comprehend, but , so is the whole Universe popping out of nothingness.
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- As the smart
man, Isaac Newton, once said, our knowledge is but one small pebble on the
beach with the whole ocean of the unknown out in front of us.
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------------------------- Monday, April 23, 2018
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