What's Hidden Inside Planets?: Audiobook
According to The Books Insider's catalog data, the What's Hidden Inside Planets? audiobook runs 6.4 hours unabridged, narrated by Kim Niemi (about 4.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 13 days |
| 1 hour / day | 7 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 6.4 hours, it is shorter than 56% of the 1,009 Astronomy & Physics audiobooks in our catalog.
More narrated by Kim Niemi
Kim Niemi narrates 112 unabridged audiobooks in our catalog, 885 hours in all.
About as long, on the Astronomy & Physics shelf
94 Astronomy & Physics audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here, and Where We’re Going
- Chasing the Sun: How the Science of Sunlight Shapes Our Bodies and Minds
- Reality Is Not What It Seems: The Journey to Quantum Gravity
- The Art of Physics: How ideas from science can transform your life
- Just Six Numbers: The Deep Forces That Shape the Universe
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
What's Hidden Inside Planets? is an audiobook by John Wenz and Sabine Stanley: a 6.4-hour unabridged recording, read by Kim Niemi, released January 30, 2024, on the Astronomy & Physics shelf.
The listen at a glance
- Length
- 6.4 hrs
- Narrated by
- Kim Niemi
- Released
- January 30, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Astronomy & Physics
- ISBN
- 9781696614009
How to listen to What's Hidden Inside Planets? free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the What's Hidden Inside Planets? audiobook?
What's Hidden Inside Planets? runs 6.4 hours unabridged. At 1.5× speed that drops to roughly 4.3 hours.
Is the What's Hidden Inside Planets? audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates What's Hidden Inside Planets??
What's Hidden Inside Planets? is narrated by Kim Niemi.