Pluto: Is It a Planet After All?

Pluto: Is It a Planet After All?

Demotion Largely Disregarded by ScientistsThe IAU's demotion of Pluto largely has been disregarded by planetary scientists, Metzger notes in an email. Pluto is most definitely a geologically complex body, fully worthy of the term 'planet' as Galileo and planetary scientists have used the word for the past 500 years.\" Junking the IAU's definition wouldn't just reinstate Pluto as a planet. And there's plenty that's interesting about Pluto, which Metzger described as the second most complex planet after Earth in the solar system. Triton, we think, used to be a Kuiper Belt planet and is now a satellite planet orbiting Neptune.

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