Making a rare appearance at a global leadership forum in Malaysia, former Apollo astronaut Neil Armstrong said a manned mission to Mars probably will be easier compared to the struggle that led to the Apollo 11 lunar landing in 1969:
"It will certainly be 20 years or more before that happens," the former astronaut said at a global leadership forum in Malaysia."It will be expensive," he said. "It will take a lot of energy and a complex spacecraft. But I suspect that -- even though the various questions are difficult and many -- they are not as difficult and many as those we faced when we started the Apollo (space program) in 1961."
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