Space represents the long term future of the human race and can act as “life insurance” for the species, Hawking said while escorting an American visitor around London’s Science Museum for a prize.
"Sending humans to the moon changed the future of the human race in ways that we don't yet understand," he said.
"It hasn't solved any of our immediate problems on planet Earth, but it has given us new perspectives on them and caused us to look both outward and inward.
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