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Virgin Galactic's 4th Powered Test Flight of SpaceShipTwo Unity in Twitter Posts

Virgin Galactic successfully performed the fourth powered test flight of its SpaceShipTwo Unity today and reached space for the first time (depending on your definition of Earth's border with the final frontier). Unity reached a max height of 51 miles (82.7 kilometers) and hit Mach 2.9, making it the highest, fastest flight yet for Virgin Galactic. Check out photos from the flight! The video above shows the moment of takeoff for  Unity's mothership WhiteKnightTwo during today's test flight. Twitter updates from @VirginGalactic and others on the scene below:

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Tariq Malik

Tariq is the Editor-in-Chief of Space.com and joined the team in 2001 as a staff writer, and later editor, covering human spaceflight, exploration and space science. He became Space.com's Managing Editor in 2009 and Editor-in-Chief in 2019. Before joining Space.com, Tariq was a staff reporter for The Los Angeles Times. He is also an Eagle Scout (yes, he has the Space Exploration merit badge) and went to Space Camp four times as a kid and a fifth time as an adult. He has journalism degrees from the University of Southern California and New York University. To see his latest project, you can follow Tariq on Twitter.