Chinese astronauts conduct record-breaking 9-hour spacewalk outside Tiangong space station (photos)

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Two Chinese astronauts spent more than nine hours outside the nation's Tiangong space station on Dec. 16 and Dec. 17, beating the old EVA duration record by 10 minutes.

Chinese astronauts conduct record-breaking 9-hour spacewalk outside Tiangong space station (photos) : Read more