People And Stars Are Made Of The

From An Evolutionary Standpoint You Can't Just Wipe Everything Out And Start Over, And I Don't Think You Can Do It In The School System Either.

The Big Bang Banged, And For Some Reason We’re Here. And That’s Astonishing. And That We Can Understand That, That’s The Most Astonishing.

Anybody Who Grew Up With The Space Program Is A Fan Of Science Fiction.

Climate Change Is Happening, Humans Are Causing It, And I Think This Is Perhaps The Most Serious Environmental Issue Facing Us.

When We See The Shadow On Our Images, Are We Seeing The Time 11 Minutes Ago On Mars? Or Are We Seeing The Time On Mars As Observed From Earth Now? It's Like Time Travel Problems In Science Fiction. When Is Now; When Was Then?