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Good deal! Twenty years ago, when NASA was already interested in us to learn more about its crown, it wondered how to design a satellite that could rotate around the poles of this 42 million km furnace, or 1/3 of the distance separating us from the Sun. From then on, building a device just for an experiment (SoloHI from US Naval Research) would have cost a fortune. So, NASA turned to the European Space Agency (ESA) to offer scientific collaboration. The deal was concluded wit

A United Launch Alliance Atlas 5 rocket, designated AV-087, will launch the Solar Orbiter spacecraft for NASA and the European Space Agency. Built by Airbus Defense and Space, Solar Orbiter, or SolO, will travel inside the orbit of Mercury to study how the sun creates and controls the heliosphere, the vast bubble of charged particles blown by the solar wind into the interstellar medium.