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Did Virgin Galactic’s Spaceplane Reach Space? Depends Who You Ask

Did Virgin Galactic’s Spaceplane Reach Space? Depends Who You Ask
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During today’s powered test flight, Virgin’s VSS Unity — the second SpaceShipTwo — reached an apogee of 51.4 miles  (82.7 km).

It burned its hybrid rocket engine for a full minute to get there, after it was released from the WhiteKnightTwo mothership at 50,000 feet.

Is that really space? It depends who you ask. NASA and Air Force astronauts officially become “astronauts” when they reach an altitude of 50 miles (80 km). But the most widely agreed upon definition is the so-called Karman line — 100 km or 62 miles, although those numbers might be shifting slightly as well.

After all, the SpaceShipTwo is a suborbital spaceplane — a long shot from orbital flight, which is a whole lot further. To keep up free falling around the Earth in orbit, you’d have to get to above 100 km, which is roughly the Karman line.

And the requirements of getting to either point are actually staggeringly different: orbital flight requires an energy budget that’s 32 times that of suborbital flight, .

That’s not to play down Virgin Galactic’s achievement. It’s perhaps the highest any horizontal take-off spaceplane ever flown, and Richard Branson’s space tourism company should be applauded for that.

Besides, Virgin Galactic is planning to fly even higher than that. The company’s  2012 plans suggest the SpaceShipTwo spacecraft was supposed to reach a high point of 68 miles (110 km) — well above the Karman line. Futurism has reached out to clarify the venture’s future plans for the VSS Unity.

So is this all just pedantry? I’ll leave that up to you. But if I were about to spend $250,000 on a Virgin Galactic ticket to space, I’d sure as hell want to go to “space.” I’m holding on to my cash until I can buy a night at a space hotel.

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