NASA’s first walkers ventured outside the space station on Tuesday | CNN
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — The first in a series of year-end spacewalks began Tuesday morning outside the International Space Station. Josh Cassada and Frank Rubio, NASA’s first spacewalkers and astronauts, began their excursion outside the space station …
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