https://bibnum.obspm.fr/ark:/11287/65wFC
OAO-1, premier télescope spatial du programme Orbiting Astronomical Observatories [OAO] (titre...
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https://english.nao.cas.cn/research/researchdivisions/solarphysics/202103/t20210321_265686.html
Solar Magnetic Activity Group----National Astronomical Observatories
NAOC’s main research involves cosmological large-scale structures, the formation and evolution of galaxies and stars, high-energy astrophysics, solar magnetism...
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https://www.tehrantimes.com/tag/astronomical+observatories
astronomical observatories - Tehran Times
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