Satellite installation - the Vanguard satellite […] is instrumented to measure the earth's magnetic fiel, solar x-rays and space environmental conditions. (titre original)

inconnu, “Satellite installation - the Vanguard satellite […] is instrumented to measure the earth's magnetic fiel, solar x-rays and space environmental conditions. (titre original),” Bibliothèque numérique - Observatoire de Paris, consulté le 19 décembre 2024, https://bibnum.obspm.fr/ark:/11287/158Kh.