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All Nine? (Posted on 2007-09-24) Difficulty: 3 of 5
Place the letters back into their respective row or column in order to create a word search grid satisfying the problem name. (? in the title=a red herring?)

r


BONUS: Once you have solved this one, can you make an even smaller grid?
What about with the eight?

See The Solution Submitted by jduval    
Rating: 4.0000 (2 votes)

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re(3): SOLUTION | Comment 13 of 16 |
(In reply to re(2): SOLUTION by jduval)

There are currently in our Solar System only eight known planets -- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune -- and three known dwarf planets (a category of planetoid created due in part because of the discovery of Eris in 2005) -- Pluto (demoted from planet),  Eris (a Kuiper belt body as is Pluto, but more massive than Pluto by about 27%), and Ceres (promoted from asteroid though it may still be called an asteroid).  The number, then, of known planets and dwarf planets are eleven -- hence the ? was retained with the reference "All Ten?" with the unfortunate exclusion of the third known dwarf planet, Ceres.

The number, eleven, may change as the asteroids -- Vesta, Pallas and Hygiea -- may be recategorized as dwarf planets if their shape is determined by hydrostatic equilibrium; or the Trans-Neptunian Objects -- 2005 FY9, Sedna, Quaoar, Orcus, Varuna, Ixion or other discoveries are found to fit the definition of dwarf planet; and possibly Charon, Pluto's "moon", if Pluto and Charon are redefined as binary dwarf planets.


  Posted by Dej Mar on 2007-09-25 20:06:39
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