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Astronomy & Space Science (Science & Math, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Astronomy & Space Science (Science & Math, Kindle eBooks), updated Nov 3, 2026: median price $9.14, median 610 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $11.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 82% of Kindle eBooks categories: the median best seller has 610 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $4.99 to $11.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Astronomy & Space Science best sellers
-
Out of the Shadows: Revealing the Truth About Non-Human Intelligent Life
by Jay Stratton
- List rank#1
- Price$14.99
- Rating4.5
- Reviews890
-
Black Holes: The Key to Understanding the Universe
by Brian Cox
- List rank#2
- Price$1.99
- Rating4.6
- Reviews1,581
-
Visitor
by Craig A. Falconer
- List rank#3
- Price$0.99
- Rating4.4
- Reviews1,000
-
Starry Messenger: Cosmic Perspectives on Civilization
- List rank#4
- Price$11.99
- Rating4.7
- Reviews4,993
-
Cosmic Queries: StarTalk's Guide to Who We Are, How We Got Here, and Where We're Going
by Neil Tyson
- List rank#5
- Price$1.99
- Rating4.8
- Reviews3,494
-
Saving Columbia: Lost Opportunity to Save Seven Astronauts
by Marshall H. Kaplan
- List rank#6
- Price$9.99
- Rating3.5
- Reviews2
-
What Ultimately Is There?... And Other Foundational Questions
- List rank#7
- Price$9.95
- Reviews-
-
On the Equality of All Things: Lessons on Physics and Philosophy
- List rank#8
- Price$12.99
- Rating4.3
- Reviews75
-
Scientific American September 2026
- List rank#9
- Price$6.99
- Rating4.8
- Reviews13
-
Starblade’s Redemption: An Epic Space Opera/Military Sci-fi Adventure (Renegades of the Void Book 4)
by Sean Robins
- List rank#10
- Price$0.99
- Rating4.4
- Reviews30
Subcategories
Same niche in Books: Astronomy & Space Science
FAQ
Is Astronomy & Space Science a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 610 reviews and sells for $9.14.
How many reviews do you need to rank in Astronomy & Space Science?
The median best seller has 610 reviews, and 26% of them have fewer than 100.
What do Astronomy & Space Science best sellers cost?
The median price is $9.14; half of the best sellers are priced between $4.99 and $11.99.
Can new books break into Astronomy & Space Science?
12% 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.