What reading level is Hubble Space Telescope?

Hubble Space Telescope by Michael D. Cole is at a Level 7-8 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Hubble Space Telescope appropriate for?

Hubble Space Telescope is recommended for Ages 9-12. HootRating: 12C (Clear).

What genre is Hubble Space Telescope?

Hubble Space Telescope is nonfiction — Juvenile Nonfiction. Part of the Countdown to Space series.

Does Hubble Space Telescope have any content warnings?

Hubble Space Telescope has a HootRating of 12C (Clear). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Hubble Space Telescope?

Hubble Space Telescope by Michael D. Cole is 48 pages (approximately 5,694 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Hubble Space Telescope

Michael D. Cole

Hubble Space Telescope

Age Rating, Reading Level & Content Guide

Exploring the Universe

by Michael D. Cole

Countdown to Space

Reading Level 7-8 12C Ages 9-12 Sweet Spot Page-Turner

The text is written at a 7th 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

Explore the fascinating story of the Hubble Space Telescope, from its early challenges with blurry images to the daring missions that fixed it. Discover how this incredible telescope has helped scientists unlock mysteries about the universe's age and makeup, all brought to life with stunning photographs from space and beyond.

Themes

Science & NatureSpacecraftAstronomyAdventure

Quick Assessment

This is a Level 7-8 book with gentle content intensity. It's a Sweet Spot read — challenging text with gentle themes, ideal for advanced or 2e readers. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated Hubble Space Telescope 12C

Hubble Space Telescope is written at a Level 7-8 reading level across 48 pages (approximately 5,694 words). Strong independent readers around grade 8.2 can typically handle this book on their own; with parent or teacher support, Hubble Space Telescope works for readers up to grade 9.2.

Read aloud, Hubble Space Telescope takes about 38 minutes, which fits within a single read-aloud session.

We rate Hubble Space Telescope as 12C ("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, Hubble Space Telescope explores science & nature, spacecraft, astronomy, and adventure — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about science & nature, spacecraft, astronomy.
✓ Readers who fall hard for one book and want a long series to live in — there are 27 more books in the Countdown to Space series.
✓ Curious kids who prefer real-world topics over made-up stories.

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.