Buzz Aldrin saw the American flag at Tranquility Base get knocked flat by the lunar module's ascent engine plume the instant Apollo 11 lifted off, meaning the first banner planted on the Moon stood upright for less than 22 hours. The post Apollo 11’s flag was knocked flat by the lunar module’s own exhaust the instant the astronauts lifted off, meaning the first banner on the moon stood upright for less than a day appeared first on Space Daily .