978-1-4222-3418-1

Using hand tools strapped to his suit (so they did not float away), Marshburn made careful repairs to a broken pump that would keep the astronauts inside the station safe from harm.

important scientific experiments onboard might be damaged. There was no more time to wait. The two astronauts gathered their tools and waited for the airlock to open. After attaching safety lines to the station itself, they stepped into space. The two men clung to the outside of the station as it whizzed through space. They could look down and see clouds covering the land. As they continued their orbit, oceans came into view.Whole mountain ranges were visible. It was an amazing sight, but they had to get to work.

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