The double planet

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Abelard-Schuman, 1967 - Earth sciences - 159 pages
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LibraryThing Review

User Review  - themulhern - LibraryThing

Nice book with a discussion of the discovery of Pluto and its already precarious stance as a planet. At the time this edition was published several other denizens of the Kuiper belt had already been discovered. Pluto's moon was discovered in the 70s, some time after I was born. Read full review

LibraryThing Review

User Review  - StormRaven - LibraryThing

The Double Planet is a short science fact book that deals with the Earth-Moon system. Originally written in 1960 and revised in 1966 and 1968, the material contained in this book obviously does not ... Read full review


A Sphere
Not Quite a Sphere
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