Book Preview: Saying Yes to Life

earth lights night black marble europe_vir_2016 nASA copy
NASA

The world is one tiny piece within a vast universe – so vast that I, at least, can scarce comprehend it. The world we inhabit is one planet within a solar system . . . within a galaxy . . . within the universe. Our sun is just one of between 200 billion and 400 billion stars in the Milky Way galaxy, and earth is just one of at least 100 billion planets. There may also be ten billion white dwarfs, a billion neutron stars and a hundred million black holes. And that is just one galaxy out of possibly two trillion galaxies! …

Most nights I consider it a clear night if I can see Orion and the Big Dipper, and it is a sad reality that most of us are seldom in places that are dark enough at night for us to enjoy the stars in all their splendour. In fact, light pollution is now so bad that more than one third of the human population is no longer able to see the Milky Way. In Chapter One we reflected on NASA’s ‘black marble’ images, realizing that the earth at night is electric with lights criss-crossing across the globe.… Continue reading