Shigarwa: Hasken rana da Heliospheric Observatory (SOHO) wani jirgi ne na sararin samaniya wanda ƙungiyar masana'antu ta Turai ta jagoranci Matra Marconi Space (yanzu Astrium) wanda aka kaddamar da shi a kan wani jirgin sama na Lockheed Martin Atlas II AS a ranar 2 ga Disamba, 1995 don nazarin Sun. SOHO ya gano fiye da 3,000 comets. Ya fara aiki na yau da kullum a watan Mayu 1996. Shirin haɗin gwiwa ne na haɗin gwiwar kasa da kasa tsakanin Hukumar Space ta Turai (ESA) da NASA. Da farko an tsara shi a matsayin aikin shekaru biyu, SOHO yana ci gaba da aiki bayan fiye da shekaru 20 a sararin samaniya: an tsawaita aikin har zuwa ƙarshen 2020 tare da yiwuwar tsawaita har zuwa 2022.
Hukumar NASA