To Read Is To Voyage Through Time.

The Way To Find Out About Our Place In The Universe Is By Examining The Universe And By Examining Ourselves - Without Preconceptions, With As Unbiased A Mind As We Can Muster.

The Open Road Still Softly Calls.

At A Few Hundred Kilometers Altitude, The Earth Fills Half Your Sky, And The Band Of Blue That Stretches From Mindanao To Bombay, Which Your Eye Encompasses In A Single Glance, Can Break Your Heart With Its Beauty. Home You Think. Home. This Is My World. This Is Where I Come From. Everyone I Know, Everyone I Ever Heard Of, Grew Up Down There, Under That Relentless And Exquisite Blue.

Eratosthenes's Only Tools Were Sticks, Eyes, Feet, And Brains; Plus A Zest For Experiment. With Those Tools He Correctly Deduced The Circumference Of The Earth, To High Precision, With An Error Of Only A Few Percent. That's Pretty Good Figuring For 2200 Years Ago.

How Lucky We Are To Live In This Time / The First Moment In Human History / When We Are In Fact Visiting Other Worlds