Elon Musk says SpaceX will launch the Falcon Heavy 'in a week or so'

SpaceX is about to light a very big candle.
SpaceX is planning to launch the first flight of its big new Falcon Heavy rocket "in a week or so," according to a tweet sent out by Elon Musk on Wednesday. 
The announcement came just about an hour after the Musk-founded company fired up the Falcon Heavy's 27 engines for a test in which the rocket was held down on its pad at Cape Canaveral Air Force Station in Florida. 
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