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Composition of Neptune

Author:      bob w whitbeck
What is Neptune made of?

Response #:  1 of 1
Author:      hawley
Neptune, like Jupiter, Saturn, and Uranus, is a so-called "gas giant"
planet.  They are made of mostly hydrogen, methane, ammonia, and some
helium... when I was younger (much younger!) I found it amusing to invent
palindromes that  contained the names of the planets:  "Neptune?  No, one
nut pen."

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