June 23: Asteroids, Ion Propulsion and NASA's Dawn Mission to Vesta and Ceres

Presentation by Professor David Williams of ASU

Speaking to the HSGP, Dr. Dave Williams, an active member in the NSS, will present a summary of what we are learning about our solar system.


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  • Charles Lee L.

    Wonderful! Leaning about our solar system is very enjoyable.

    July 20, 2013

  • Craig Dale P.

    Probably not, again mobility problems.

    April 15, 2013

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