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⚡💥gatick💥⚡
Robert Goddard adalah seorang ilmuwan dan insinyur AS yang terkenal karena mengembangkan roket modern. ia berhasil meluncurkan roket pertama yang menggunakan bahan bakar cair pada tahun 1926, dan memperkenalkan konsep roket yang dapat dipandu.#robertgoddard#roket#luarangkasa#satelit#jetengine#historytime#education#
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