エクスプローラー1号
1. Explorer 1Explorer 1 (1958 Alpha 1) was the first Earth satellite of the United States, launched as part of its participation in the International Geophysical Year. The mission followed the first two Earth satellites the previous year, the Soviet Union's Sputnik 1 and 2, beginning the Cold War Space Race between the two nations. Explorer 1 was launched on January 23, 1958 at 22:48 Eastern Time atop the first Juno booster from LC-26 at the Cape Canaveral Missile Annex, Florida.
Read “Explorer 1” on English Wikipedia
Read “エクスプローラー1号” on Japanese Wikipedia
Read “Explorer 1” on DBpedia
Read “Explorer 1” on English Wikipedia
Read “エクスプローラー1号” on Japanese Wikipedia
Read “Explorer 1” on DBpedia
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