A Book Is Proof That Humans Are

In More Than One Respect, The Exploring Of The Solar System And Homesteading Other Worlds Constitutes The Beginning, Much More Than The End, Of History.

We Began As Wanderers, And We Are Wanderers Still.

The Beauty Of A Living Thing Is Not The Atoms That Go Into It, But The Way Those Atoms Are Put Together.

The Near Side Of A Galaxy Is Tens Of Thousands Of Light-years Closer To Us Than The Far Side; Thus We See The Front As It Was Tens Of Thousands Of Years Before The Back. But Typical Events In Galactic Dynamics Occupy Tens Of Millions Of Years, So The Error In Thinking Of An Image Of A Galaxy As Frozen In One Moment Of Time Is Small.

In College, In The Early 1950s, I Began To Learn A Little About How Science Works, The Secrets Of Its Great Success, How Rigorous The Standards Of Evidence Must Be If We Are Really To Know Something Is True, How Many False Starts And Dead Ends Have Plagued Human Thinking, How Our Biases Can Colour Our Interpretation Of Evidence, And How Often Belief Systems Widely Held And Supported By The Political, Religious And Academic Hierarchies Turn Out To Be Not Just Slightly In Error, But Grotesquely Wrong.