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Flowing Plasma ion Collection Model
The electrons are traveling at approximately 188 km/s throughout LEO. This means that the orbiting body is traveling faster than the ions and slower than the electrons, or at a mesosonic speed. This results in a unique phenomenon whereby the orbiting body 'rams' through the surrounding ions in the plasma creating a beam like effect in the reference frame of the orbiting body.
There are three active electron emission technologies usually considered for EDT applications: hollow cathode plasma contactors (HCPCs), thermionic cathodes (TCs), and field emitter arrays (FEAs). System level configurations will be presented for each device, as well as the relative costs, benefits, and validation.
Electronic polarization: This resonant process occurs in a neutral atom when the electric field displaces the electron density relative to the nucleus it surrounds.
This displacement occurs due to the equilibrium between restoration and electric forces. Electronic polarization may be understood by assuming an atom as a point nucleus surrounded by spherical electron cloud of uniform charge density.
Dispersion may be caused either by geometric boundary conditions (waveguides, shallow water) or by interaction of the waves with the transmitting medium. Elementary particles, considered as matter waves, have a nontrivial dispersion relation even in the absence of geometric constraints and other media.
Quantum theory tells us that every particle exhibits wave properties. In particular, massive particles can interfere and therefore diffract.
Diffraction of electrons and neutrons stood as one of the powerful arguments in favor of quantum mechanics. The wavelength associated with a particle is the de Broglie De Broglie equation wavelength.
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes. Ionization can result from the loss of an electron after collisions with sub atomic particles, collisions with other atoms, molecules and ions, or through the interaction with light.
Ionized Air Glow
Ionized-air glow is the fluorescent emission of characteristic blue–purple–violet light, of color called electric blue, by air subjected to an energy flux.
Electromagnetic Electron Wave
In plasma physics, an electromagnetic electron wave is a wave in a plasma which has a magnetic field component and in which primarily the electrons oscillate.
In an unmagnetized plasma, an electromagnetic electron wave is simply a light wave modified by the plasma. In a magnetized plasma, there are two modes perpendicular to the field, the O and X modes, and two modes parallel to the field, the R and L waves.
Plasma acceleration/plasma fields/ionization[b]
A plasma consists of fluid of positive and negative charged particles, generally created by heating or photo-ionizing (direct / tunneling / multi-photon / barrier-suppression) a dilute gas. Under normal conditions the plasma will be macroscopically neutral (or quasi-neutral), an equal mix of electrons and ions in equilibrium. However, if a strong enough external electric or electromagnetic field is applied, the plasma electrons, which are very light in comparison to the background ions (at least by a factor of 1836), will separate spatially from the massive ions creating a charge imbalance in the perturbed region. A particle injected into such a plasma would be accelerated by the charge separation field, but since the magnitude of this separation is generally similar to that of the external field, apparently nothing is gained in comparison to a conventional system that simply applies the field directly to the particle. But, the plasma medium acts as the most efficient transformer (currently known) of the transverse field of an electromagnetic wave into longitudinal fields of a plasma wave.
originally posted by: NoCorruptionAllowed
a reply to: Rob48
Some of the out of focus circular doodads also go behind the tether, which means they are far far away from the camera.
On every mission you see lots of debris that is released from the shuttle’s payload bay, or frozen propellant from the main engines or the thrusters that drifts along with you, in some cases for several days after you arrive in orbit. And so that little cloud of particles gets captured by the low light TV cameras on the space shuttle that are used by the ground controllers at night, and when those wind up on video, and if you don’t know the context for when those pictures were taken, those little particles might seem to you like distant stars or moving objects in space. The video I have seen in STS-80 is just that. It’s the low light TV camera capturing those ice particles in the very near field, only 10 or 20 feet away, and in the camera view they look like they are flashing, in fact they are just tumbling little ice flakes.
There are more than 50 sources of ice on the shuttle, plus a steady source of debris such as insulation flakes from inside the payload bay. This includes 38 primary RCS jets and 6 vernier jets (which burn the hypergolic [self-igniting] propellants of nitrogen tetroxide and hydrazine), an air dump line, a waste water dump line, a supply water dump line, two fuel cell purge lines (the hydrogen one is always leaking water), two flash evaporators, a water spray boiler, and so forth. No surprise, then, that floating debris near the shuttle is a common sight. The particles usually (not always) spin, and depending on the axis of spin they may or may not flash, and depending on the speed of spin their flicker may or may not be picked up by the camera CCD scanner.
originally posted by: Havick007
a reply to: wildespace
I havent wasted any time... The more you can grasp the science of what is happening in these clips, the clearer it becomes.
originally posted by: NoCorruptionAllowed
a reply to: ngchunter
That is no explanation at all. Using a blinking light on that object to explain all of those things?
You don't even know all of the answers,