
SpaceX fired the Falcon Heavy's engines on a launch pad for the first time Jan. 24, moving the new rocket closer to its long-awaited first flight test. The company tweeted a 22-second video showing a huge white cloud of exhaust gushing from the base of the launch vehicle during the static fire test at NASA’s Kennedy Space Center in Florida. As the cloud formed, a fireworks-like boom sounded. “Falcon Heavy hold-down firing this morning was good,” SpaceX founder Elon Musk tweeted. “Generated quite…