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More than 435 miles (700km) above our heads, the crew of SpaceX's Polaris Dawn mission have made history as they completed the world's first private spacewalk.
Shortly before midday today, billionaire Jared Isaacman became the first ever non-professional astronaut to step out into the vacuum of space.
'Back
home we have a lot of work to do, but from here Earth sure looks like a
perfect world,' said Isaacman as he stepped out into space....<<<Read More>>>...