![A SpaceX Falcon Heavy rocket, carrying the Arabsat 6A communications satellite, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, on April 11, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/12/01bb81b0ebe04582a818c0345f285538.jpg)
A SpaceX Falcon Heavy rocket, carrying the Arabsat 6A communications satellite, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, on April 11, 2019. (Photo/Agencies)
![A SpaceX Falcon Heavy rocket, carrying the Arabsat 6A communications satellite, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, on April 11, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/12/8f4d7a49988c41bb84be64eea98c245c.jpg)
A SpaceX Falcon Heavy rocket, carrying the Arabsat 6A communications satellite, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, on April 11, 2019. (Photo/Agencies)
![The two side boosters of SpaceX\'s Falcon Heavy rocket land on the company\'s pads in Florida, April 11, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/12/2c9a5abfca214babb1d49c4d254d1308.jpg)
The two side boosters of SpaceX's Falcon Heavy rocket land on the company's pads in Florida, April 11, 2019. (Photo/Agencies)