SpaceX’s big new rocket blasts off with sports car on top

Chart compares heavy-class rockets by height and payload to low-Earth orbit.

A Falcon 9 SpaceX heavy rocket lifts off from pad 39A at the Kennedy Space Center in Cape Canaveral, Fla., Tuesday, Feb. 6, 2018. The Falcon Heavy, has three first-stage boosters, strapped together with 27 engines in all. (AP Photo/John Raoux)

Two Falcon boosters come back to land at Cape Canaveral after SpaceX’s Falcon Heavy rocket lifted off from launch Pad 39A Tuesday, Feb. 6, 2018, for the maiden demonstration test flight at the Kennedy Space Center. The big rocket is made up of three rocket boosters that will produce more thrust than any other rocket now flying. (Red Huber /Orlando Sentinel via AP)

This image from video provided by SpaceX shows the company's spacesuit in Elon Musk's red Tesla sports car which was launched into space during the first test flight of the Falcon Heavy rocket on Tuesday, Feb. 6, 2018. (SpaceX via AP)

The crowd cheers at Playalinda Beach in the Canaveral National Seashore, just north of the Kennedy Space Center, during the successful launch of the SpaceX Falcon Heavy rocket, Tuesday, Feb. 6, 2018. Playalinda is one of closest public viewing spots to see the launch, about 3 miles from the SpaceX launchpad 39A. (Joe Burbank /Orlando Sentinel via AP)

CAPE CANAVERAL, Fla. — SpaceX’s big new rocket blasted off Tuesday on its first test flight, carrying a red sports car aiming for an endless road trip past Mars.