Particle tracks on a star chart

Credit: MEHAU KULYK/SCIENCE PHOTO LIBRARY

Caption: Particle tracks and cosmology. Computer illustrat- ion of subatomic particle tracks (red) on an historical star chart. The particles are seen as coloured points. The tracks result from charged particles moving through a bubble chamber containing a superheated liquid. Ionisation of the liquid by the particles causes it to boil, so that tracks of minute bubbles are left in their wake. Each particle creates a distinct track, such as the spirals of electrons and positrons. Particle physics has revealed the basic structure of the atoms that form the universe.

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Keywords: art, astronomy, astronomy art, bubble chamber, cosmology, electron, images, impact event force energy, magnified image, microscopic photos, motion action, move movement moving, particle physics, particle track, particle tracks, particle tracks art, positron, star chart, subatomic particles, subjects, universe

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