When was the first Nasa shuttle flight?
Which orbiter never left the Earth's atmosphere, and now sits in a museum?
What is a 'launch window'?
In what year was the Challenger shuttle accident?
How fast does a shuttle travel to remain in orbit?
Why was the launch of the shuttle Discovery delayed in 1995?
Why do shuttles need powerful rockets to take off?
What's the longest time a shuttle has spent in space?
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