Go Away, Gravity! – The Ventures of Elon Musk’s SpaceX and Richard Branson’s Virgin Galactic 

SpaceX Falcon 9 launch photo by U.S. Air Force.

Elon Musk has a net worth of $11.9 billion while Richard Branson has a net worth of $4.8 billion. If they stacked their respective fortunes in $1 bills atop each other, the tower would reach six million miles, almost 25 times the distance between the earth and the moon. And that is, in a metaphorical way, exactly what the two plan to do. Continue reading

AstroBlog Follow Friday & Weekly Stumbles For 2011-12-30 

Twin NASA Probes Have New Year

No matter how exciting your plans are for New Year’s, two NASA spacecraft have you beat – they’ve got a date with the moon. After more than three months of spaceflight, NASA’s twin Grail probes are set to start orbiting the moon this weekend, with Grail-A arriving Saturday (Dec. 31) and Grail-B following on Sunday (Jan. 1). Continue reading

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