On Tuesday, the Kennedy Space Center in Florida was the site of a potentially huge advance in efforts to change how humans and objects get to space.

Elon Musk’s company SpaceX launched its new Falcon Heavy rocket that will attempt to deliver a Tesla Roadster into an orbit around the sun that would also get the vehicle close to Mars.

So what’s unique about the Falcon Heavy? Here to talk about those questions and more is Mike Wall, senior writer for Space.com.