A young astronomer and his two talented assistants investigate a mysterious stone pillar hidden within an old observatory-only to discover it may be an ancient astronomical instrument with secrets stretching back more than a century. CMS Astronomical Explorers blends real science, adventure, and imagination as history and the cosmos collide. When a strange stone pillar is discovered at the Hong Kong Observatory, young astronomer Cen and his two assistants are assigned to investigate. Their search through old records and modern instruments uncovers an astonishing truth: the pillar isn’t just a relic-it’s an ancient astronomical device hiding a 150-year-old mystery! Blending science, history, and adventure, CMS Astronomical Explorers launches readers into a cosmic puzzle where curiosity is the key to discovery.

