1. NASA finds crashing spacecraft into asteroids is a viable defence strategy

    NASA finds crashing spacecraft into asteroids is a viable defence strategy

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    NASA Tests Ways to Crash Land on Mars

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  3. NASA launches test for asteroid-deflecting spacecraft

    NASA launches test for asteroid-deflecting spacecraft

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  4. NASA Tests Ways to Crash Land on Mars

    NASA Tests Ways to Crash Land on Mars

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    NASA Tests Ways to Crash Land on Mars

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    NASA Tests Ways to Crash Land on Mars

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  7. NASA Tests Ways to Crash Land on Mars

    NASA Tests Ways to Crash Land on Mars

  8. NASA Tests Ways to Crash Land on Mars

    NASA Tests Ways to Crash Land on Mars

  9. NASA Tests Ways to Crash Land on Mars

    NASA Tests Ways to Crash Land on Mars

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    NASA Tests Ways to Crash Land on Mars

  11. NASA Tests Ways to Crash Land on Mars

    NASA Tests Ways to Crash Land on Mars