

A thrilling journey through space unveils a conspiracy to steal the Sun's light
Read full overviewShow less›
In 'The Secret of the Ninth Planet,' Donald A. Wollheim takes readers on an exhilarating adventure through the solar system, where a daring expedition uncovers a sinister plot that threatens the very essence of life on Earth. As the story unfolds, young Burl Denning and his father find themselves at the center of a crisis caused by the mysterious diversion of the Sun's energy. The narrative not only explores the wonders of space travel and the peculiarities of different planets but also delves into themes of courage, responsibility, and the unyielding human spirit in the face of cosmic peril. Readers will be captivated by the vivid descriptions of alien worlds, the intricate scientific concepts woven into the plot, and the moral dilemmas faced by the characters as they navigate the unknown. This tale serves as both an adventure and a cautionary reminder of the delicate balance of nature and the potential consequences of human interference.
Ultimately, 'The Secret of the Ninth Planet' is a captivating blend of adventure, science fiction, and moral inquiry. Through the lens of space exploration, Wollheim invites readers to contemplate the complexities of human nature and the ethical dimensions of our actions. The journey of Burl Denning and his father serves as a microcosm of the broader challenges faced by humanity in an ever-evolving universe. As they confront the unknown, they embody the spirit of exploration that drives us to seek knowledge and understanding. The narrative resonates with contemporary issues surrounding environmental stewardship and the consequences of technological advancements, making it a timely reflection on our place in the cosmos. This story is not just about the adventure of space travel; it is a profound exploration of what it means to be human in a universe filled with wonder and peril.
- 1The Quest for Anti-Gravity
- 2The Dimness of the Sun
- 3The Call to Action
- 4The Journey Across the Solar System
- 5The Perils of Venus
A glimpse inside

The novel begins with a speculative premise that anti-gravity technology could soon revolutionize space travel, making the exploration of the solar system accessible. Read moreThe novel begins with a speculative premise that anti-gravity technology could soon revolutionize space travel, making the exploration of the solar system accessible. Wollheim posits that if scientists can overcome the challenges of gravitational forces, the timeline for humanity's conquest of neighboring planets could be dramatically accelerated. With this technological leap, the limitations imposed by traditional rocket propulsion would vanish, allowing for a more profound understanding of our celestial neighbors. The implications of such technology are vast, opening doors to not only exploration but also potential colonization and resource extraction. By presenting this hypothetical advancement, Wollheim sets the stage for a narrative that intertwines scientific possibility with thrilling adventure, inviting readers to imagine a future where the stars are within reach. The excitement surrounding anti-gravity resonates with a sense of optimism about humanity’s potential to explore and grasp the unknown, serving as a foundation for the adventurous spirit that runs throughout the narrative. Show less
The story's inciting incident is the gradual dimming of the Sun, which goes unnoticed by the global populace. Burl Denning, a young adventurer, and his father are among t… Read moreThe story's inciting incident is the gradual dimming of the Sun, which goes unnoticed by the global populace. Burl Denning, a young adventurer, and his father are among the few who realize that something is amiss while on an expedition in the Andes. The dimness is soon revealed to be a result of a sinister plot to channel the Sun's energy away from Earth, plunging the planet into a crisis. This pivotal moment serves as a catalyst for the action, propelling Burl and his father into a race against time to uncover the source of the energy diversion. The global implications of this phenomenon highlight humanity's vulnerability and the interconnectedness of life on Earth. Wollheim cleverly uses this scientific anomaly to create a sense of urgency, emphasizing the need for awareness and action in the face of environmental threats. The dimming of the Sun acts as a metaphor for the larger existential threats facing humanity, encouraging readers to reflect on their relationship with nature and the consequences of neglecting environmental issues. Show less
Read the full text — free
About the author
Read Donald A. Wollheim's work free on Lumina — the complete text plus an 8-minute summary and key ideas, no account needed




