A historic image showing astronaut Bruce McCandless II performing the first untethered spacewalk in history on February 23, 1984, during mission STS-41-B. Floating freely in space, propelled solely by ...
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Why are there no stars in space?
This video explores the reasons why stars are often not visible in images from rocket launches, moon landings, and the ...
Add Yahoo as a preferred source to see more of our stories on Google. On February 7, 1984, NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was ...
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