Climate Has Been Changing For Billions Of

Weve Got To Go [back To The Moon]. But We Dont Want To Stay Too Long. ... The Ultimate Goal Is Mars.

Bravery Comes Along As A Gradual Accumulation Of Discipline.

Globalisation Means Many Other Countries Are Asserting Themselves And Trying To Take Over Leadership. Please Don't Ask Americans To Let Others Assume The Leadership Of Human Exploration. We Can Do Wonderful Science On The Moon, And Wonderful Commercial Things. Then We Can Pack Up And Move On To Mars.

Space Tourism Is A Logical Outgrowth Of The Adventure Tourist Market.

Knowledge Of The Past And An Optimistic View Of The Present Give You Great Opportunities.