NASA's space shuttle Endeavour launched Monday on a 16-day mission to the International Space Station. Science correspondent Miles O'Brien posed crowdsourced questions to the commander and crew early Thursday in a collaboration with Google and YouTube. Here is an excerpt.
Keep sending your questions for the upcoming interview with the shuttle crew from space.
Two astronauts performed a spacewalk Monday to replace one of the International Space Station's gyroscopes, as engineers on Earth studied a 3-inch tear on the shuttle's underbelly left by a wayward piece of foam during liftoff.
By PBS NewsHour
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