Here's how SpaceX's Falcon Heavy rocket stacks up to the competition

After years of delays and setbacks, SpaceX is finally ready to launch the maiden flight of its Falcon Heavy rocket, which is scheduled for Feb. 6. 

SpaceX has said that the launcher, with its 27 engines and 3 boosters, will be the most powerful rocket currently flying when it makes its debut on Tuesday.

But how does that really stack up?

SEE ALSO: Musk versus Bezos: Whose rocket is the biggest?

SpaceX's Falcon Heavy will be one of the first of a new generation of powerful rockets designed to bring payloads deep into space.

Plenty of companies are interested in developing or have already developed their own heavy-lift rockets, in the hopes that industry players and nations will want to buy rides to orbit or beyond aboard their launchers.  Read more...

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