エクスプローラー49号
1. Explorer 49Explorer 49 (also called RAE-B) was a 328 kilogram satellite launched on June 10, 1973 for longwave radio astronomy research. It had four 230-meter long X-shaped antenna elements, which made it one of the largest spacecraft ever built. This mission was the second of a pair of Radio Astronomy Explorer (RAE) satellites, Explorer 38 or RAE-A being the first.
Read “Explorer 49” on English Wikipedia
Read “エクスプローラー49号” on Japanese Wikipedia
Read “Explorer 49” on DBpedia
Read “Explorer 49” on English Wikipedia
Read “エクスプローラー49号” on Japanese Wikipedia
Read “Explorer 49” on DBpedia
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