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A large tidal stream observed in the Sombrero galaxy
According to the latest cosmological models, large spiral galaxies such as the Milky Way grew by absorbing smaller galaxies, by a sort of galactic cannibalism...
Some scientific projects require observations outside the Earth's atmosphere, for which balloons or artificial satellites are necessary. These missions and experiments are carried out with scientific instruments developed by large international consortiums. Since its inception, the IAC has been participating in this type of projects, developing on-board instrumentation and instrumentation for ground segments.