SpaceX fires up raptor engine for moon flight and landing tests

A vacuum Raptor engine was recently test-fired after being "chilled to mimic conditions after a long coast period in space," according to SpaceX. Previously, a Raptor was tested to demonstrate the descent burn to the moon surface for NASA's Artemis program.

Credit: SpaceX | edited by Space.com's [Steve Spaleta](https://twitter.com/stevespaleta)