A NASA spacecraft with specialist guidance from Australian tracking systems has crashed into a deep space asteroid in a dress rehearsal for the day a killer rock slams into Earth.

The multimillion-dollar rocket collided head-on with an asteroid the size of the Great Pyramid of Giza around 9.15am (AEST) on Tuesday, in what was the world’s first full-scale planetary defence test.

WSFM’s Ugly Phil spoke with Tom Statler, DART program scientist at NASA HQ, prior to the mission.

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The NASA bunker broke out into cheers and applause as the test was deemed a success.

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