Where Does Space Begin?

Where does space begin? Well, it depends.⁣
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There’s no sharp boundary that marks the end of atmosphere and beginning of space. But no matter where you draw the line in the sand — or the air — Earth’s atmosphere is full of all kinds of interesting stuff. That’s why scientists like Doug Rowland are studying its many layers.⁣
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Producers: Scott Bednar, Jessica Wilde Editor: Dan Salazar ⁣
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Credit: NASA

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