In a 2018 test mission, the rocket's core booster missed the vessel and crashed into the Atlantic Ocean.
Arabsat-6A is a large satellite, weighing 6,460-kilograms.
The webcast should begin about 20 minutes before the rocket's anticipated liftoff.
The Falcon Heavy's liftoff from Launch Complex 39A at NASA's Kennedy Space Center created a spectacle, just as it did during the maiden launch.
SpaceX has delayed the launch of its newest mega rocket because of dangerously high wind.
17 foot long, 140 pound giant python captured!
Pet owners either release them on goal when they get too big, or by accident when hurricanes sweep through the state. Using male pythons with transmitters, it allows the hunters to track the male to find the breeding females.
Chelsea boss Sarri: A disaster if Hazard leaves
For the fans I think the most important thing is when they see me on the pitch they just think that my head is with Chelsea . He's in the past year of his contract [next season]. "I think it's very hard to change Hazard with another player".
Samsung's Galaxy A80 has a slide-out, rotating camera
Since the Galaxy A80's main novelty feature is the pop-up camera mechanics, the module houses a triple lens camera. Samsung has applied the same concept to the new Galaxy A20e which is a smaller version of the Galaxy A20 .
SpaceX said it would try again Thursday evening.
Eight minutes after liftoff, SpaceX landed two of the first-stage boosters back at Cape Canaveral, side by side, just like it did for the rocket's debut past year.
In Falcon Heavy's first launch, in February 2018, a dummy dubbed Starman was placed behind the wheel of Musk's roadster, which is now orbiting the Sun somewhere between Earth and Mars. SpaceX is expected to attempt to land all three this week.
Falcon Heavy carried a communications satellite forSaudi-based telecom firm Arabsat, which will beam internet and television services over Africa, Europe and the Middle East.
At 34 minutes after takeoff, the Arabsat-6A satellite was deployed to orbit in what was the Falcon Heavy's first commercial mission.
That was back when SpaceX was still expected to test Falcon Heavy later that same year. SpaceX chief operating officer Gwynne Shotwell flew to Saudi Arabiato reassure them that the Falcon Heavy would be reliable. SpaceX then recovered all three of the boosters back on Earth, achieving a feat it wasn't able to pull off in the rocket's demonstration flight past year. It's been made even more powerful since last year's demo flight through upgrades that SpaceX refers to as Block 5, which were applied to the company's smaller Falcon 9 rocket starting in May. The U.S. Air Force also chose Falcon Heavy for STP-2, its Space Test Program 2 mission. The Falcon Heavy is essentially three of those single rockets strapped together.