Galaxy collision model

Galaxy collision model

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Caption: Galactic collision. Image 2 of 2. Supercomputer model of a collision between two spiral galaxies. The top left frame is 200 million years after the bottom right frame in image R826/090, and each frame along the top row is 200 million years after the one before it. Along the bottom row, the increments are 250 million years, 150 million years and 200 million years. The galaxies have passed through each other and are now falling together again due to mutual gravitational attraction. This leads to the formation of one large elliptical or irregular galaxy (bottom right).

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Keywords: astronomical, astronomy, astrophysical, astrophysics, coalescence, coalescing, colliding, collision, computer, cosmological, cosmology, distorting, distortion, elliptical, galactic, galaxy, gravitational, gravity, interacting, interaction, model, modelling, science, sequence, simulation, space, spiral, spirals, stars, supercomputer, tail, tails, tidal, universe

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