No one wants to read a book about murderous stalkers when they have been finding footprints in the bushes outside their bedroom window. I don't want to turn my face from a broadcast about COVID-19's death toll and open to a chapter about failed containment in World War Z.
Outside of our front door we’ve seen white sand and we’ve seen forests. We’ve seen wildflowers, deserts and mountains. Heat waves and blizzards and rain, all within the same week.
Inside, it’s always home.
Kepler spacecraft observations indicate 20 billion habitable planets in our galaxy alone. What does that mean? Could humans someday infest 20 billion different planets?