His mother sighed. "I'll explain again. We live on Pluto, right on the edge of the solar system. Other stuff – planets, moons, asteroids, Saturn's rings – keep blocking out the sun, which we actually orbit. We only see the sun in rare uneclipses."
Suddenly, the sky was lit by the brightest thing either of them had ever seen; the distant sun transformed even Pluto in a wondrous light-show. Just fourteen dazzling minutes later it was over.
"So? That's it?" the child said. "Can I please go back to my Playstation now?"