KDP categories · Top KDP authors
Astronomy (Astronomy & Space Science, Books): Amazon KDP category data
Amazon Books Best Sellers data for Astronomy (Astronomy & Space Science, Books), updated Nov 2, 2026: median price $14.67, median 918 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $12.09 – $23.69 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 84% of Books categories: the median best seller has 918 reviews, so new books need time to build up.
- Its median reviews are 48% of the parent category Astronomy & Space Science (1,911), one of the easier corners under it.
Top 10 Astronomy best sellers
-
Lost in Space: 5,000 Facts for Navigating the Universe
- List rank#1
- Price$30.02
- Rating4.8
- Reviews287
-
A Short History of Nearly Everything: 2.0
by Bill Bryson
- List rank#2
- Price$21.59
- Rating4.6
- Reviews19,878
-
Take Me to Your Leader: Perspectives on Your First Alien Encounter
- List rank#3
- Price$12.09
- Rating4.4
- Reviews1,467
-
The Demon-Haunted World: Science as a Candle in the Dark
by Carl Sagan
- List rank#4
- Price$21.19
- Rating4.7
- Reviews7,825
-
Black Holes: The Key to Understanding the Universe
by Brian Cox
- List rank#5
- Price$1.99
- Rating4.6
- Reviews1,581
-
Cosmos: A Personal Voyage
by Carl Sagan
- List rank#6
- Price$21.66
- Rating4.7
- Reviews8,789
-
Cosmic Queries: StarTalk's Guide to Who We Are, How We Got Here, and Where We're Going
by Neil Tyson
- List rank#7
- Price$1.99
- Rating4.8
- Reviews3,494
-
Astrophysics for People in a Hurry
- List rank#8
- Price$11.99
- Rating4.6
- Reviews38,150
-
Pale Blue Dot: A Vision of the Human Future in Space
by Carl Sagan
- List rank#9
- Price$12.09
- Rating4.7
- Reviews2,846
-
James Webb Space Telescope 2027 Astronomy Wall Calendar (12"x12") | Images from NASA's Premier Space Telescope
- List rank#10
- Price$12.75
- Rating4.8
- Reviews292
Same niche in Kindle eBooks: Astronomy
FAQ
Is Astronomy a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 918 reviews and sells for $14.67.
How many reviews do you need to rank in Astronomy?
The median best seller has 918 reviews, and 14% of them have fewer than 100.
What do Astronomy best sellers cost?
The median price is $14.67; half of the best sellers are priced between $12.09 and $23.69.
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.