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Home Q & A Board Science-Related Homework Help Physics Astronomy
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hermiz hermiz
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6 years ago
Who started launching liquid-filled rockets in the United States in 1926?
A) Robert Goddard
B) Konstantin Tsiolkovsky
C) Hermann Oberth
D) Wernher von Braun
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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19Clyde19Clyde
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6 years ago
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hermiz Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
acaruso
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This site is awesome
dri
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2 hours ago
Good timing, thanks!
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