KDP categories · Top KDP authors
Astronomy & Space (Science Studies, Books): Amazon KDP category data
Amazon Books Best Sellers data for Astronomy & Space (Science Studies, Books), updated Nov 1, 2026: median price $10.00, median 668 reviews, average rating 4.7 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $7.22 – $14.23 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 29% of the parent category Science Studies (2,323), one of the easier corners under it.
- At $10.00 its median price is below 89% of Books categories, so it is a volume game.
- Its review barrier is higher than in 80% of Books categories: the median best seller has 668 reviews, so new books need time to build up.
Top 10 Astronomy & Space best sellers
-
There's No Place Like Space! All About Our Solar System
by Tish Rabe
- List rank#1
- Price$5.98
- Rating4.8
- Reviews27,844
-
Baby University Board Book Set: A Science for Toddlers (Gifts for Kids)
by Chris Ferrie
- List rank#2
- Price$29.73
- Rating4.7
- Reviews7,214
-
The Mysteries of the Universe: Discover the Best-Kept Secrets of Space (DK Children's Anthologies)
by Will Gater
- List rank#3
- Price$16.39
- Rating4.8
- Reviews7,295
-
Paint by Sticker Kids (Official): Outer Space: Create 10 Pictures One Sticker at a Time! Includes Glow-in-the-Dark Stickers
- List rank#4
- Price$6.99
- Rating4.8
- Reviews2,853
-
National Geographic Little Kids First Big Book of Space
- List rank#5
- Price$8.83
- Rating4.8
- Reviews15,500
-
My First Book of Planets: All About the Solar System for Kids
by Dr. Bruce Betts
- List rank#6
- Price$10.01
- Rating4.8
- Reviews17,912
-
100,000 Whys for Kids - The Only Why Book You'll Ever Need: Real Answers to the Big Questions Kids Ask About Science, Space, Animals, History, and the World Around Them (Ages 6-12)
by Oliver Everwood
- List rank#7
- Price$19.98
- Rating4.8
- Reviews113
-
Indescribable: 100 Devotions About God and Science
by Louie Giglio
- List rank#8
- Price$10.49
- Rating4.9
- Reviews8,931
-
Astrophysics for Young People in a Hurry
- List rank#9
- Price$9.28
- Rating4.8
- Reviews3,100
-
Moon: A Peek-Through Board Book
by Britta Teckentrup
- List rank#10
- Price$7.48
- Rating4.8
- Reviews2,146
Subcategories
Same niche in Kindle eBooks: Astronomy & Space
FAQ
Is Astronomy & Space a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 668 reviews and sells for $10.00.
How many reviews do you need to rank in Astronomy & Space?
The median best seller has 668 reviews, and 17% of them have fewer than 100.
What do Astronomy & Space best sellers cost?
The median price is $10.00; half of the best sellers are priced between $7.22 and $14.23.
Can new books break into Astronomy & Space?
5% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.