KDP categories · Top KDP authors
Astronomy (Science & Nature, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Astronomy (Science & Nature, Kindle eBooks), updated Nov 2, 2026: median price $5.29, median 14 reviews, average rating 4.4 and a KDPTop opportunity score of 18/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $8.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 11% of the parent category Science & Nature (120), one of the easier corners under it.
- Its review barrier is lower than in 78% of Kindle eBooks categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 Astronomy best sellers
-
What Do We Know About the Solar System? (Earth, Space, & Beyond)
by Ian Graham
- List rank#1
- Price$6.24
- Rating5.0
- Reviews2
-
Space - Solar System: Knowledge Encyclopedia For Children
- List rank#2
- Price$0.99
- Rating4.6
- Reviews1,131
-
Space - Constellations: Knowledge Encyclopedia For Children
- List rank#3
- Price$1.99
- Rating4.6
- Reviews452
-
An Introduction to Basic Astronomy Concepts (with Space Photos)
- List rank#4
- Price$3.99
- Rating4.4
- Reviews313
-
Galileo and the Magic Numbers
by Sidney Rosen
- List rank#5
- Price$7.99
- Rating4.3
- Reviews311
-
The Astronomy Book: Big Ideas Simply Explained (DK Big Ideas)
by DK
- List rank#6
- Price$8.99
- Rating4.7
- Reviews1,478
-
The Stars: A New Way to See Them: A Classic Illustrated Astronomy Reference about Our Solar System and the Universe
by H. A. Rey
- List rank#7
- Price$9.99
- Rating4.8
- Reviews844
-
Introduction to Astronomy: From Atomic Nuclei to Galaxy Superclusters
by Gergely Dálya
- List rank#8
- Price$19.99
- Rating5.0
- Reviews1
-
Earth and Its Natural Resource | Solar System & the Universe | Fourth Grade Non Fiction Books | Children's Astronomy & Space Books
- List rank#9
- Price$4.99
- Rating4.6
- Reviews3
-
2026 Guide to the Night Sky Southern Hemisphere: A month-by-month guide to exploring the skies above Australia, New Zealand and South Africa
by Radmila Topalovic
- List rank#10
- Price$6.99
- Rating4.5
- Reviews28
FAQ
Is Astronomy a good niche for Amazon KDP?
Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $5.29.
How many reviews do you need to rank in Astronomy?
The median best seller has 14 reviews, and 75% of them have fewer than 100.
What do Astronomy best sellers cost?
The median price is $5.29; half of the best sellers are priced between $4.99 and $8.99.
Can new books break into Astronomy?
9% 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.