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258 - Under Alien Skies - Phil Plait
You Are Not So Smart
The Gateway Planet
Every chapter of the book is a mix of narration and exposition. I kept writing and writing and it's like this chapter is 20,000 words long and it can only be seven. So what am I going to do here? And even then, there was so much more I wanted to talk about. It has mountains that go all the way around its equator - they're several miles high. We don't know why these are very tall but may have been formed from an impact. The Moon Iapetus might have collapsed back down after being spewed out by another Moon which landed on it. Some people think it formation could have been caused by asteroids smacking into each other; we
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