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Elon Musk shows off Raptor engine’s test firing

Elon Musk and Raptor engine
SpaceX CEO Elon Musk checks out the nozzle of a full-scale Raptor rocket engine in advance of its first test firing. (Elon Musk via Twitter)

SpaceX CEO celebrated the first test firing of a full-scale, built-for-flight Raptor engine for his Starship super-rocket in the usual way tonight: by tweeting about it.

“So proud of great work by @SpaceX team,” Musk wrote in a series of tweets from SpaceX’s test facility near McGregor, Texas.

Scaled-down versions of the methane-fueled Raptor rocket engine went through testing as far back as two and a half years ago, but Musk said this weekend’s test marked the “first firing of Starship Raptor flight engine.”

By Alan Boyle

Mastermind of Cosmic Log, contributing editor at GeekWire, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.

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