Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization? ...

Is a planetary surface the right place for an expanding technological civilization? (Gerard K. O'Neill)

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Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?

Gerard K. O'Neill Quotes: Is a planetary surface the right place for an expanding technological civilization?