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. Picture: AP Photo/John Raoux
This still image taken from a SpaceX livestream video shows “Starman” sitting in SpaceX CEO Elon Musk’s cherry red Tesla roadster after the Falcon Heavy rocket delivered it into orbit around the Earth on February 2, 2018. Picture: AFP PHOTO / SPACEX / HO
The SpaceX Falcon Heavy rocket lifts off from launch pad 39A at Kennedy Space Center on February 6, 2018 in Cape Canaveral, Florida. Picture:Joe Raedle/Getty Images/AFP
The SpaceX Falcon Heavy takes off from Pad 39A at the Kennedy Space Center in Florida, on February 6, 2018, on its demonstration mission. Picture: AFP PHOTO / JIM WATSON
The SpaceX Falcon Heavy launches from Pad 39A at the Kennedy Space Center in Florida, on February 6, 2018, on its demonstration mission. Picture: AFP PHOTO / JIM WATSON
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. Picture: SpaceX via AP
Spectators crowd near and on the A. Max Brewer Memorial Bridge in Titusville, Fla., to watch a Falcon 9 SpaceX heavy rocket launch on Tuesday, Feb. 6, 2018. Picture: Tim Shortt/Florida Today 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. Picture: SpaceX via AP
The SpaceX Falcon Heavy launches from Pad 39A at the Kennedy Space Center in Florida, on February 6, 2018, on its demonstration mission. Picture: AFP PHOTO / JIM WATSON
The SpaceX Falcon Heavy rocket sits on launch pad 39A at Kennedy Space Center as it is prepared for tomorrow’s lift-off on February 5, 2018 in Cape Canaveral, Florida. Picture: Joe Raedle/Getty Images/AFP
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. Picture: Joe Burbank/Orlando Sentinel via AP
The SpaceX Falcon Heavy rocket sits on launch pad 39A at Kennedy Space Center as it is prepared for tomorrow’s lift-off on February 5, 2018 in Cape Canaveral, Florida.Picture: Joe Raedle/Getty Images/AFP
Crowds of people, reminiscent of shuttle launch days, line the beaches of Cape Canaveral and Cocoa Beach Tuesday, Feb. 6, 2018. Picture: Malcolm Denemark/Florida Today via AP
The SpaceX Falcon Heavy launches from Pad 39A at the Kennedy Space Center in Florida, on February 6, 2018, on its demonstration mission. Picture: AFP PHOTO / JIM WATSON
Two booster rockets from the Falcon 9 SpaceX heavy, return for a landing at the Kennedy Space Center in Cape Canaveral, Fla., Tuesday, Feb. 6, 2018. Picture: AP Photo/Terry Renna
The SpaceX Falcon Heavy launches from Pad 39A at the Kennedy Space Center in Florida, on February 6, 2018, on its demonstration mission. Picture: AFP PHOTO / JIM WATSON
This still image taken from a SpaceX livestream video shows “Starman” sitting in SpaceX CEO Elon Musk’s cherry red Tesla roadster after the Falcon Heavy rocket delivered it into orbit around the Earth on February 2, 2018. Picture: AFP PHOTO / SPACEX / HO