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Loading contentIf an object were found on a collision course with enough warning, agencies and governments would decide on a response — and plan the reconnaissance and deflection mission it would require. NEO Surveyor is being built to give that warning decades ahead.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.