North Korea

(1) Doubtful satellite launch

Commemorative of North Korean First satellite launch, but doubtful
　On 31 Aug. 1998, North Korea launched a rocket that reached Pacific Ocean flown over Japan.
In spite of North Korea said this launch was sucsessful, but no evidence has been shown.
(North Korea, 1998, ensmalled 50%）

(2) European and American spacecraft and scientist

（左から）(a)ロケットと地球
　（ｂ）火星探査機？
　（ｃ）火星着陸機と小惑星
下部余白左から
　コペルニクス、ペプラー、ガリレオ、ニュートン、ハレー
　ケプラーの第３法則（惑星の公転周期の2乗は軌道の長半径の3乗に比例する。R3/T2＝C）
万有引力の法則を示す数式　F=GM1M2/R2

(North Korea, 1999, ensmalled 50%）

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