Star Fall

It has taken the combined genius of Human and Morapn civilization to create Star Fall, the vast interstellar liner with luxurious accommodations for every type of intelligent life in the known galaxy, now booking for her maiden voyage. This historic cruise will take her to the legend shrouded center of the universe itself, old Earth, where her arrival will usher in a new era of peace and understanding...

Or so the brochure said. But someone, or something hadn't read the brochure. For hidden on the Star Fall was a box of antimatter.

A small one. Just enough to implode Earth