heinrich olbers
"By denying scientific principles, one can maintain any paradox." -Galileo Galilei
Day and night. It seems like the simplest, most natural thing about our world, that the Sun illuminates one half of the Earth at a time.
Image credit: Public Domain Image from Desktop Wallpaper HD.
While the Earth spins on its axis, orbiting the Sun, roughly half of our lives are spent bathed in the glorious daylight provided by our parent star. The other half is spent in the dark of night, our world illuminated only by the distant stars and galaxies visible from a great distance, along with a few nearby…