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  1. Scientists set sights on asteroid larger than Eiffel Tower as it skims past Earth

    Scientists set sights on asteroid larger than Eiffel Tower as it skims past Earth

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  2. President Trump: Open Letter on Coming Apophis Asteroid Crash 4/13/2029

    President Trump: Open Letter on Coming Apophis Asteroid Crash 4/13/2029

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  3. Space without time.

    Space without time.

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