Here’s what you need to know about the SpaceX rocket that just exploded

A SpaceX Falcon 9 rocket exploded on the launch pad during a test fire Thursday morning:

Here's a closer look at the Falcon 9 rocket from Elon Musk's private space company.

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The Falcon 9 is a 230-foot-tall rocket.

Its inaugural test flight was in 2010. Falcon 9 has since launched 19 times.

Source: SpaceX

Falcon 9, as the number suggests, is a later generation of SpaceX's original Falcon 1 rocket.