While scrolling through the text book I noticed that there was still a section that classified Pluto as a planet. After seeing this, I began to look in the book and online for more information on Pluto, or now know as 134340. In the book, the authors discuss if Pluto should actually be called a planet. It is one of the ten largest bodies orbiting the sun, and has been known to come closer than Neptune to the sun. In fact, from 1979 to 1999, Pluto's orbit was closer than Neptune's.
Furthermore, your text book and articles offline suggest that Pluto was once a moon for Neptune. Astronomers believed this because Pluto has the same density and about the same diameter of Neptune's moon Triton. Many disbelieve this claim because some say that even if Pluto was a moon of Neptune, it could not escape the orbit path of Neptune and still be able to have a moon itself. While this theory has been abandoned by most, do you think that Pluto could have escaped the orbit path of Neptune while still obtaining a moon?
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