Cosmic fire drill: NASA is using an asteroid’s close flyby to test Earth’s warning network

CAPE CANAVERAL, Fla. — NASA is using an asteroid’s close flyby to test Earth’s warning network for incoming space rocks.

The small asteroid was on track to pass within 43,800 kilometres of Antarctica early Thursday.

Program scientist Michael Kelley said that’s “pretty close” as these things go. But he stressed there’s no chance it will hit us. Future space rocks might, though — thus this first-of-its-kind cosmic fire drill.

“You never expect your office building to catch...

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