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Astronomy & Space Science (Science & Math, Books): Amazon KDP category data
Amazon Books Best Sellers data for Astronomy & Space Science (Science & Math, Books), updated Nov 2, 2026: median price $13.27, median 1,911 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $10.92 – $18.63 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 91% of Books categories: the median best seller has 1,911 reviews, so new books need time to build up.
- Its median reviews are 40% of the parent category Science & Math (4,833), one of the easier corners under it.
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$22.79
- Rating4.5
- Reviews890
-
Lost in Space: 5,000 Facts for Navigating the Universe
- List rank#2
- Price$30.02
- Rating4.8
- Reviews287
-
There's No Place Like Space! All About Our Solar System
by Tish Rabe
- List rank#3
- Price$5.98
- Rating4.8
- Reviews27,844
-
Astrophysics for People in a Hurry
by Neil deGrasse Tyson
- List rank#4
- Price$8.67
- Rating4.6
- Reviews38,149
-
Baby University Board Book Set: A Science for Toddlers (Gifts for Kids)
by Chris Ferrie
- List rank#5
- Price$29.73
- Rating4.7
- Reviews7,214
-
A Short History of Nearly Everything: 2.0
by Bill Bryson
- List rank#6
- Price$21.59
- Rating4.6
- Reviews19,878
-
Behold a Pale Horse
by Milton William Cooper
- List rank#7
- Price$18.91
- Rating4.7
- Reviews13,885
-
Starry Messenger: Cosmic Perspectives on Civilization
- List rank#8
- Price$11.99
- Rating4.7
- Reviews4,993
-
The Order of Time
- List rank#9
- Price$8.11
- Rating4.4
- Reviews5,998
-
On the Equality of All Things: Lessons on Physics and Philosophy
- List rank#10
- Price$13.09
- Rating4.3
- Reviews75
Subcategories
Same niche in Kindle eBooks: Astronomy & Space Science
FAQ
Is Astronomy & Space Science a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 1,911 reviews and sells for $13.27.
How many reviews do you need to rank in Astronomy & Space Science?
The median best seller has 1,911 reviews, and 10% of them have fewer than 100.
What do Astronomy & Space Science best sellers cost?
The median price is $13.27; half of the best sellers are priced between $10.92 and $18.63.
Can new books break into Astronomy & Space Science?
10% 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.