What is the Solar and Heliospheric Observatory (SOHO)
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SOHO is a satellite paid for and launched through a cooperative effort between NASA and the European Space Agency. Launched on December 2, 1995, the satellite makes observations about the Sun’s corona and solar winds, and it is also intended to try and study the Sun’s inner core. SOHO has provided scientists with information about sunspot structure and solar wind speeds; the satellite has taken photographs of the Sun’s turbulent convection zone, and it has discovered solar tornadoes and coronal waves.