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NASA pioneers mission to knock an asteroid slightly off course

NASA is launching its first mission to knock an asteroid off course. Hollywood tends to rely on nuclear weapons to blast incoming space rocks, but NASA’s test will just give one a little nudge.

NPR’s Nell Greenfieldboyce reports.

This article was originally published on WBUR.org.

Copyright 2021 NPR. To see more, visit https://www.npr.org.