[ Update Feb.20: The test flight has been postponed due to weather issues:

Friday is likely the next target.

]

Virgin Galactic plans to send the SpaceShipTwo “VSS Unity” once again to the border of space on Wednesday morning in Mojave, California (see earlier posting). No target time posted yet for takeoff of the WhiteKnightTwo with the SS2 hung beneath. Winds could always lead to delays. Once the duo takes off, it takes about 45 minutes to reach the altitude for the drop of the SS2. Check updates at Virgin Galactic (@virgingalactic) | Twitter.

This new video released on Tuesday focuses on the pilots:

Here are tweets about the two pilots, Dave Mackay and Mike ‘Sooch’ Masucci:

Here’s a photo of the mating of the SS2  to the WhiteKnightTwo on Sunday:

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Brief Answers to the Big Questions – Stephen Hawking