Jupiter, the star that failed
Joel N. Shurkin
Jupiter, the star that failed
Age Rating, Reading Level & Content Guide
The Star That Failed
by Joel N. Shurkin
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.
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About This Book
The Pioneer spacecraft zooms through space, heading straight for Jupiter, the giant planet that hides secrets in its swirling storms. Galileo once peered at it with a simple telescope, but now, closer than ever, the spacecraft sends back astonishing discoveries. Suddenly, a mysterious signal blinks on the screen—what could it mean?
Themes
Quick Assessment
This engaging middle-grade book explores the fascinating planet Jupiter through historical observations by Galileo and the modern data collected by the Pioneer X space probe. It offers young readers an accessible introduction to planetary science and space exploration, suitable for ages 9 to 12. The content is educational with no intense themes or content warnings.
Why we rated Jupiter, the star that failed 9C
Jupiter, the star that failed is written at a Level 4-5 reading level across 110 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Jupiter, the star that failed works for readers up to grade 6.5.
We rate Jupiter, the star that failed as 9C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, Jupiter, the star that failed explores science & nature, space exploration, and history — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about science & nature, space exploration, history.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
9C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
1/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 0664326420
- Pages
- 110
- Publisher
- Westminster John Knox Press
- Published
- 1979
- Type
- Fiction