CAPE CANAVERAL, Fla. -- The most powerful rocket in the world is scheduled to launch Tuesday.

And the weather is looking good for it.

The window for the SpaceX Falcon Heavy rocket opens at 1:30 p.m. and goes through 4 p.m. So far, the launch window has been pushed back to 2:50pm. If for whatever reason it doesn't go up on Tuesday, there is a window Thursday, as well.

The rocket easily can carry a mass greater than a 737 jetliner filled with people, luggage and fuel from ground level to space. Only the Saturn V Apollo moon rocket in the 1970s eclipses Falcon Heavy in terms of its potential payload.

More: 10 great places to watch SpaceX's Falcon Heavy launch

Related: Thousands expected to descend on Space Coast for SpaceX Falcon Heavy launch

Photos: SpaceX Falcon Heavy images

Once the rocket reaches the extent of Earth's atmosphere, the rocket separates into two main parts. One Merlin engine continues lifting its payload into orbit.

And now we've reached the top, the payload itself. In the case of the highly-anticipated launch Tuesday, Feb. 6, SpaceX CEO Elon Musk announced the Falcon Heavy's first passenger is his own red Tesla Roadster car.

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