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Take a look at these images and tell me which ones are made up mostly of ice, and which ones are not:
Supersonic jets have been seen exploding from comets' nuclei. From the mainstream perspective, these jets are eruptions of subsurface gas and water from solar heating. But again and again, this theory has been refuted by observation. In the case of Comet Wild 2, some of its nearly two dozen jets emanated from the dark, unheated side of the comet. And as seems to be the case with most comet jets, they remained intact across great distances -- they did not disperse in the fashion of a gas in a vacuum (an anomaly left unresolved, and not even addressed by most mainstream theorists). Consider also the jets of comet Hale-Bopp, which began discharging (seven jets) while it was still too far from the Sun for a "snowball" to melt.
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From the Electric Universe perspective, comet jets arise from the interaction between the electric charge of the comet and the solar discharge plasma. The comet spends most of its time far from the Sun, where the plasma charge density is low. The comet moves slowly and its charge easily comes into balance with that region. On the other hand, as the comet approaches the Sun, the nucleus moves at a furious speed through regions of increasing charge density and varying electrical characteristics. The comet's surface charge and internal polarization, developed in deep space, respond to the new environment by forming cathode jets and a visible plasma sheath, or coma. The jets flare up and move over the nucleus irregularly, and the comet may shed and grow anew several tails. Or the comet may explode like an overstressed capacitor (see below), breaking into separate fragments or simply giving up the ghost and disappearing.
Cometary discharging may also occur due to any disturbances of its electrical plasma sheath as it passes through regions of varying electric potential. This seems to have occurred in the recent "totally surprising" outburst of Comet Holmes 17P as it moved away from the Sun's domain.
.... you clearly have little to no understanding. I suggest you do some reading on whether solar winds are positively charged, and stick to actual science. Then feel free to post sources that show solar winds are positively charged.
Since plasmas are very good electrical conductors, electric potentials play an important role. The potential as it exists on average in the space between charged particles, independent of the question of how it can be measured, is called the "plasma potential", or the "space potential". If an electrode is inserted into a plasma, its potential will generally lie considerably below the plasma potential due to what is termed a Debye sheath. The good electrical conductivity of plasmas makes their electric fields very small. This results in the important concept of "quasineutrality", which says the density of negative charges is approximately equal to the density of positive charges over large volumes of the plasma (ne = ni), but on the scale of the Debye length there can be charge imbalance. In the special case that double layers are formed, the charge separation can extend some tens of Debye lengths.
Tallone
There you go. Think about it. Why are these icy planetary bodies not burnt dry by the sun. They should have sublimated away to next to nothing by now. A whole lotta sublimation should be observed don't you think? Since that is what DST is telling us goes on as soon as a dirty snowball travels past Jupiter toward the Sun.
However, the brightness of the comet has been declining. At its discovery in early 19th century, it was brighter than now by 4 mag. It reached to 3.5 mag at best and visible as bright as Andromeda Galaxy with naked eyes. Now it reaches to 6.5-7 mag at best.
Deep Impact will not be taking any images of ISON ever again. The craft is defunct (it's stuck in reboot mode). It is also no where near ISON, nor will it be close to ISON again.
Disappointing news today from Dr. Mike A’Hearn, Principal Investigator of the EPOXI mission, which has been using the repurposed spacecraft from the Deep Impact mission to study comets. The spacecraft was going to take some much-anticipated images of Comet ISON, but apparently a communication problem has occurred and the images may have been lost or possibly never taken.
Please clarify so the mods on here will know whether to leave the thread where it is (scientific discussion, even theoretical discussions) or move it to a more proper place (highly speculative discussions, requiring no proof, IE Skunk Works).
vind21
reply to post by eriktheawful
I think that decent points where made by many people. It would probably be more efficient if further discussion about any particular main points be brought up in their own respective threads.
Where ever this thread ends up, it does have a nice collection of data.
What Does the Image Show?
The image, taken from the Giotto spacecraft near closest encounter in 1986, shows the mantled surface of the nucleus of comet Halley. The sun is to the upper left in this picture. The night-side of the nucleus is visible to the lower right. It is seen in projection against sunlight scattered from the near-nucleus coma. Strong outgassing from a vent is seen at upper left, as well as several fainter vents on the day-side. However, most of the nucleus surface appears to be inactive even when in full sunlight, and this is because of a non-volatile mantle, probably a rubble mantle.
The mantle albedo (reflectivity) is about 4%, indicating a non-icy, probably carbon rich composition.
The lumpy appearance of the nucleus is real. Perhaps the lumps, and the elongated shape...
Tallone
Comet ISON and the Sun are interacting with each other. There has been 4 X class flares from the Sun in the direction of ISON in just as many days. Of the 4 flares 3 of these have been direct hits on ISON.
Please clarify so the mods on here will know whether to leave the thread where it is (scientific discussion, even theoretical discussions) or move it to a more proper place (highly speculative discussions, requiring no proof, IE Skunk Works).