The halls of Gardenview University were buzzing with students rushing between classes, but in Room 216, the world was different. It was a place of cosmic wonder, where the flickering of fluorescent lights was replaced by the soft glow of stars and planets projected onto the walls.

Astro, the cool and laid-back astronomy teacher, sat at the desk, calmly scrolling through the latest issue of “Astrophysics Monthly”. His usual blue-and-silver jacket gave off an almost cosmic shine, and his messy hair made it seem as though he'd just walked out of a dream.

Today’s class was about stars, the concept of time dilation, and, of course, the strange properties of light.