David A. Aguilar
Author Interviews 1
![Brightly](https://pbs.twimg.com/profile_images/572438718355492864/oyAsslVD_bigger.png)
Guest Post by David A. Aguilar about Cosmic Catastrophes
Created by Brightly
Books by David A. Aguilar 10
![Seven Wonders of the Solar System](/content/ingram_images_hi/9/0451476859.jpg)
Seven Wonders of the Solar System
3 Resources2 Awards
![Seven Wonders of the Milky Way](/content/ingram_images_hi/7/0451476867.jpg)
Seven Wonders of the Milky Way
2 Resources1 Award
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