planetary bodies

Broadcast 629 (Special Edition)

Mark Williamson was the guest for this Space Show program. Mr. Williamson began the interview by talking about his new book published by AIAA, "Space: The Fragile Frontier," why he wrote it and why he had an interest in the subject of Earth orbital debris in conjunction with planetary protection, space law, ethics and a workable balance with space development and space environmental protection.

Broadcast 626 (Special Edition)

Dr. Alan Stern, the Executive Director of the Southwest Research Institute Space Science and Engineering Division in Boulder, CO was the guest for the first hour of this program. Dr. Stern began the discussion by talking about Pluto, the importance of dwarf planets and the science involved in discovering and understanding these planetary bodies. This led to a detailed discussion of the recent International Astronomical Union's (IAU) decision to change the definition of planets to exclude Pluto and other dwarf planets in our solar system and elsewhere. Dr.

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