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- Explorer 3

Sanjay Acharya · CC BY-SA 4.0 · Wikimedia Commons
Facts
LaunchMarch 26, 1958
Launch vehicleJuno I
COSPAR ID1958-003A
Mass14.1 kg
Country of originUnited States
Re-entryJune 28, 1958
Sources: Wikidata (CC0) · Wikidata Q550613