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August 17, 2009 11:38 PM
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Plasma metaphysics tells us that a significant proportion of dark matter is in the form of a plasma of super (high energy) particles. In the "dark current mode" of plasma, the strength of the electrical current within a plasma is very low. The plasma does not glow and is essentially invisible.
http://www.dapla.org/dark_plasma.htm
This dark current is the dark matter movement that is driving the expansion of the universe and pushing galaxies apart.
http://www.scientificamerican.com/article.cfm?id=dark-energy-confirmed
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In terms of photosensors (CCD, maybe CMOS too, etc.), "dark current" is sometimes what engineers call "noise." You can see roughly what this looks like in your camcorder or digital camera if you kick the gain (ISO) all the way up. The warmer the chip, the more noise it has. I think real "dark current" only comes into play when chips are ultra cool, esp. in space astronomy applications.
Source(s):
http://www.photomet.com/resources/encyclopedia/darkcurrent.php
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What is dark current? Is there evidence of dark current moving in the galaxy?
What are the evidences of dark current and its affects on the Sun?
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| August 18, 2009 02:02 AM |
http://www.dapla.org/dark_plasma.htm
This dark current is the dark matter movement that is driving the expansion of the universe and pushing galaxies apart.
http://www.scientificamerican.com/article.cfm?id=dark-energy-confirmed
Source(s):
see text
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Other Answers (1)
August 17, 2009 11:52 PM
I've never heard of dark current in terms of physics and galaxies and dark energy or dark matter, if that's what you are getting at. In terms of photosensors (CCD, maybe CMOS too, etc.), "dark current" is sometimes what engineers call "noise." You can see roughly what this looks like in your camcorder or digital camera if you kick the gain (ISO) all the way up. The warmer the chip, the more noise it has. I think real "dark current" only comes into play when chips are ultra cool, esp. in space astronomy applications.
Source(s):
http://www.photomet.com/resources/encyclopedia/darkcurrent.php
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