Lesson 4: How Far Away Is Space?

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Last updated 1:29 AM on 7/26/26
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4 Terms

1
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How far up is the Kármán line in kilometers and miles?

100 km (60 miles).

2
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If you could drive straight up at the speed limit, how long would it take to reach space?

Under an hour.

3
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What's the key takeaway about how far away space is?

Space isn't some far-off place—it's basically an hour's drive straight up. The Kármán line is a human choice based on where flight stops being possible, not a natural boundary.

4
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