"A lie’s true power cannot be accurately measured by the number of people who believe its deception when it is told, it must be measured by the number of people who will go out after hearing it trying to convince others of its truth.” -- Dennis Sharpe
This story serves to tell the world that NASA is able to fake stars in their photo artistry. Sorry, but I doubt the great Commander is tweeting anything. All the output from NASA is done from central script control, somewhere in Langley or Hollywool.
Twitter is great for a lot of things. Its downside is when you accidentally make a mistake as big as the sun… or is it the moon.