Einstein's Theory Of Relativity Does A Fantastic

The Real Question Is Whether All Your Pondering And Analyses Will Convince You That Life Is Worth Living. That's What It All Comes Down To.

The Pinpoints Of Starlight We See With The Naked Eye Are Photons That Have Been Streaming Toward Us For A Few Years Or A Few Thousand.

When You Know The Answer You Want, It Is Often All Too Easy To Figure Out A Way Of Getting It.

So: If You Buy The Notion That Reality Consists Of The Things In Your Freeze-frame Mental Image Right Now, And If You Agree That Your Now Is No More Valid Than The Now Of Someone Located Far Away In Space Who Can Move Freely, Then Reality Encompasses All Of The Events In Spacetime.

Many Different Planets Are Many Different Distances From Their Host Star; We Find Ourselves At This Distance Because If We Were Closer Or Farther Away, The Temperature Would Be Hotter Or Colder, Eliminating Liquid Water, An Essential Ingredient For Our Survival.