[edit] Ionization trails
During the entry of a meteoroid or asteroid into the upper atmosphere, an ionization trail is created, where the molecules in the upper atmosphere are ionized by the passage of the meteor.
Mercury Vapor Lamp Discharge-lamp, producing light of defined wavelengths by ionization of mercury atoms with accelerated electrons. Messier Catalog a) One of the earliest catalogues of nebulous-appearing astronomical objects, ...
Because different areas of the sensor are exposed to different colors and brightnesses, different areas undergo different ionization processes, and so an image is recorded.
to this plate, it will exert a strong attraction on the negatively charged electrons in the atoms. If this attraction is strong enough, it will pull the electrons free from the atoms. The process of removing an atom's electrons is called ionization.
 See also: Light, Flash, Speed, Spectrum, Image
  
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