By Johna Till Johnson
You go on a trip. You come back. Nothing remarkable about that.
Return of Falcon 9’s first stage (photo by SpaceX)
Unless you’re a rocket, and you’ve gone up into space and then returned to land upright. Which is what Falcon 9, the rocket launched by SpaceX, Elon Musk’s company, did on Monday, December 21.
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Long exposure showing the launch of SpaceX’s Falcon 9 rocket and then the return of the rocket’s first stage to a landing back at Cape Canaveral Air Force Station (photo by SpaceX)
Vladimir Brezina (RIP) 
Johna Till Johnson
Wind Against Current 