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Astrophysics & Space Science (Physics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Astrophysics & Space Science (Physics, Books), updated Nov 3, 2026: median price $13.03, median 1,467 reviews, average rating 4.6 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $11.48 – $17.39 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 89% of Books categories: the median best seller has 1,467 reviews, so new books need time to build up.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Astrophysics & Space Science best sellers
-
Astrophysics for People in a Hurry
by Neil deGrasse Tyson
- List rank#1
- Price$8.67
- Rating4.6
- Reviews38,149
-
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
-
Black Holes: The Key to Understanding the Universe
by Brian Cox
- List rank#3
- Price$1.99
- Rating4.6
- Reviews1,581
-
Behold a Pale Horse
by Milton William Cooper
- List rank#4
- Price$18.91
- Rating4.7
- Reviews13,885
-
Starry Messenger: Cosmic Perspectives on Civilization
- List rank#5
- Price$11.99
- Rating4.7
- Reviews4,993
-
Take Me to Your Leader: Perspectives on Your First Alien Encounter
- List rank#6
- Price$12.09
- Rating4.4
- Reviews1,467
-
What If?: Serious Scientific Answers to Absurd Hypothetical Questions ― From the Creator of xkcd
- List rank#7
- Price$14.50
- Rating4.6
- Reviews18,803
-
Cosmic Queries: StarTalk's Guide to Who We Are, How We Got Here, and Where We're Going
by Neil Tyson
- List rank#8
- Price$1.99
- Rating4.8
- Reviews3,494
-
Pale Blue Dot: A Vision of the Human Future in Space
by Carl Sagan
- List rank#9
- Price$12.09
- Rating4.7
- Reviews2,846
-
A Brief History of Time
by Stephen Hawking
- List rank#10
- Price$8.99
- Rating4.6
- Reviews11,625
Same niche in Kindle eBooks: Astrophysics & Space Science
FAQ
Is Astrophysics & Space Science a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 1,467 reviews and sells for $13.03.
How many reviews do you need to rank in Astrophysics & Space Science?
The median best seller has 1,467 reviews, and 8% of them have fewer than 100.
What do Astrophysics & Space Science best sellers cost?
The median price is $13.03; half of the best sellers are priced between $11.48 and $17.39.
Can new books break into Astrophysics & Space Science?
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.