I Don't Think We're Going To Build

The Life Expectancy Of People Going To Mars May Be Decreased By The Higher Level Of Radiation That They Receive.

I Suggest That Going To Mars Means Permanence On The Planet - A Mission By Which We Are Building Up A Confidence Level To Become A Two-planet Species.

If You Want To Say That The Sky Is Black, And If I'm There, Even If I Fall Back Down Again, I Will Be Weightless For A Period Of Time - Maybe That's The Definition Of Space.

There Should Be An International Lunar Base. That Is Certainly Doable.

I'm Not In Favor Of Just Taking Short-term Isolated Situations And Depleting Our Resources To Keep Our Climate Just The Way It Is Today.