"are We Alone In The Universe?" This

We Could Tell Them [alien Civilization] Things That We Have Discovered In The Realm Of Mathematical Physics, But There Is Stuff That I Would Like To Know. There Are Some Famous Problems Like How To Bring Gravitation And Quantum Physics Together, The Long-sought-after Theory Of Quantum Gravity. But It May Be Hard To Understand The Answer That Comes Back.

The Language Of Chemistry Simply Does Not Mesh With That Of Biology. Chemistry Is About Substances And How They React, Whereas Biology Appeals To Concepts Such As Information And Organisation. Informational Narratives Permeate Biology.

If We Do Discover More Than One Type Of Life On Earth, We Can Be Fairly Certain That The Universe Is Teeming With It, For It Would Be Inconceivable That Life Started Twice Here But Never On All The Other Earth-like Planets.

Even If We Don't Have A Precise Idea Of Exactly What Took Place At The Beginning, We Can At Least See That The Origin Of The Universe From Nothing Need Not Be Unlawful Or Unnatural Or Unscientific.

Very, Very Slowly, The Dwarf Remnants Of What Was Once Our Mighty Sun Will Cool And Dim, Until It Embarks On Its Final Metamorphosis, Gradually Solidifying Into A Crystal Of Extraordinary Rigidity. Eventually It Will Fade Out Completely, Merging Quietly Into The Blackness Of Space.