Download links for: What If the Earth Had Two Moons?: And Nine Other Thought-Provoking Speculations on the Solar System
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Very helpful as I was just making stuff up for ' Verthandi '. Answered some questions.
This one was a little physics heavy for me and I couldn't get through it :(
Good concept, but after a few scenarios I just got bored.
Deliciously accessible for a non-astrophysicist
Worth checking out
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