The space plane "Unity" travelled 54 miles above Earth, providing a great view and a few minutes of weightlessness. Virgin Galactic hide caption
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Space companies like Blue Origin are grabbing headlines with the promise of a new era of space tourism, mostly recently with the plan to send William Shatner to the edge of space. But unless you're lucky, space is still out of reach for most of the public. Joe Raedle/Getty Images hide caption