Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory SOHO, the Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory SOHO satellite Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory Solar and Heliospheric Observatory SOHO: Spying on the Sun Solar and Heliospheric Observatory SOHO satellite SOHO satellite SOHO satellite Solar and Heliospheric Observatory Solar and Heliospheric Observatory