Dr. Yaacoub Hallakさんのイラストまとめ
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Birds Can Fly & So Can I... RTs; not endorsements! See Brief Profile: emerson.edu/academics/depa…
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#VirginGalactic unveiled a high speed aircraft that will fly at Mach 3, which is 3 times the speed of sound. That is faster than the speed of the Concorde. The #aircraft will carry up to 19 passengers and fly at an altitude of 60,000 feet and above. Are you ready for this?
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